diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index f0b620f..e969afb 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -40,6 +40,7 @@ jobs:
       - name: Copy JAR to EC2
         run: |
           scp -o StrictHostKeyChecking=no -i pirocheck.pem backend/pirocheck/build/libs/*.jar ubuntu@${{ secrets.EC2_HOST }}:/home/ubuntu/
+          
 
       - name: Restart Spring Boot on EC2
         run: |
@@ -106,4 +107,4 @@ jobs:
           AWS_S3_BUCKET: www.pirocheck.org
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          SOURCE_DIR: frontend/dist
\ No newline at end of file
+          SOURCE_DIR: frontend/dist
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/controller/AttendanceController.java b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/controller/AttendanceController.java
index 2401afb..103135c 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/controller/AttendanceController.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/controller/AttendanceController.java
@@ -2,93 +2,88 @@
 
 import backend.pirocheck.Attendance.dto.request.MarkAttendanceReq;
 import backend.pirocheck.Attendance.dto.response.ApiResponse;
-import backend.pirocheck.Attendance.dto.response.AttendanceCodeResponse;
+import backend.pirocheck.Attendance.dto.response.AttendanceMarkResponse;
 import backend.pirocheck.Attendance.dto.response.AttendanceSlotRes;
 import backend.pirocheck.Attendance.dto.response.AttendanceStatusRes;
-import backend.pirocheck.Attendance.entity.AttendanceCode;
 import backend.pirocheck.Attendance.service.AttendanceService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.web.bind.annotation.*;
 
 import java.time.LocalDate;
 import java.util.List;
-import java.util.Optional;
 
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/api/attendance")
+@Tag(name = "출석관리", description = "학생용 출석 관련 API")
 public class AttendanceController {
 
     private final AttendanceService attendanceService;
 
     // 특정 유저의 출석 정보
+    @Operation(summary = "사용자 출석 정보 조회", description = "특정 사용자의 전체 출석 정보를 조회합니다.")
+    @ApiResponses({
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "조회 성공"),
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "400", description = "잘못된 요청"),
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "사용자를 찾을 수 없음")
+    })
     @GetMapping("/user")
-    public ApiResponse<List<AttendanceStatusRes>> getAttendanceByUserId(@RequestParam Long userId) {
+    public ApiResponse<List<AttendanceStatusRes>> getAttendanceByUserId(
+            @Parameter(description = "사용자 ID", required = true)
+            @RequestParam Long userId) {
         return ApiResponse.success(attendanceService.findByUserId(userId));
     }
     
     // 특정 유저의 특정 일자 출석 정보
+    @Operation(summary = "특정 날짜 출석 정보 조회", description = "특정 사용자의 특정 날짜 출석 정보를 조회합니다.")
+    @ApiResponses({
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "조회 성공"),
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "400", description = "잘못된 요청"),
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "404", description = "사용자 또는 날짜 정보를 찾을 수 없음")
+    })
     @GetMapping("/user/date")
     public ApiResponse<List<AttendanceSlotRes>> getAttendanceByUserIdAndDate(
+            @Parameter(description = "사용자 ID", required = true)
             @RequestParam Long userId,
+            @Parameter(description = "조회할 날짜 (YYYY-MM-DD)", required = true)
             @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE) LocalDate date
     ) {
         return ApiResponse.success(attendanceService.findByUserIdAndDate(userId, date));
     }
 
-    // 출석체크 시작
-    @PostMapping("/start")
-    public ApiResponse<AttendanceCodeResponse> postAttendance() {
-        AttendanceCode code = attendanceService.generateCodeAndCreateAttendances();
-        return ApiResponse.success(AttendanceCodeResponse.from(code));
-    }
-    
-    // 현재 활성화된 출석코드 조회
-    @GetMapping("/active-code")
-    public ApiResponse<AttendanceCodeResponse> getActiveCode() {
-        Optional<AttendanceCode> codeOpt = attendanceService.getActiveAttendanceCode();
-        
-        if (codeOpt.isEmpty()) {
-            return ApiResponse.error("현재 활성화된 출석코드가 없습니다");
-        }
-        
-        return ApiResponse.success(AttendanceCodeResponse.from(codeOpt.get()));
-    }
-
     // 출석코드 비교
+    @Operation(summary = "출석 체크", description = "출석 코드를 입력하여 출석을 체크합니다.")
+    @ApiResponses({
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "출석 성공 또는 이미 출석 완료"),
+        @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "400", description = "잘못된 출석 코드 또는 출석 체크 진행중이 아님")
+    })
     @PostMapping("/mark")
-    public ApiResponse<Void> markAttendance(@RequestBody MarkAttendanceReq req) {
-        String result = attendanceService.markAttendance(req.getUserId(), req.getCode());
-        
-        if (result.equals("출석이 성공적으로 처리되었습니다")) {
-            return ApiResponse.success(result, null);
-        } else {
-            return ApiResponse.error(result);
-        }
-    }
-
-    // 출석체크 종료 (코드 직접 전달)
-    @PutMapping("/expire")
-    public ApiResponse<Void> expireAttendance(@RequestParam String code) {
-        String result = attendanceService.exprireAttendanceCode(code);
+    public ApiResponse<AttendanceMarkResponse> markAttendance(
+            @io.swagger.v3.oas.annotations.parameters.RequestBody(description = "출석 체크 요청", required = true, 
+                content = @Content(schema = @Schema(implementation = MarkAttendanceReq.class)))
+            @RequestBody MarkAttendanceReq req) {
+        AttendanceMarkResponse response = attendanceService.markAttendance(req.getUserId(), req.getCode());
         
-        if (result.equals("출석 코드가 성공적으로 만료되었습니다")) {
-            return ApiResponse.success(result, null);
-        } else {
-            return ApiResponse.error(result);
-        }
-    }
-    
-    // 출석체크 종료 (가장 최근 활성화된 코드 자동 만료)
-    @PutMapping("/expire-latest")
-    public ApiResponse<Void> expireLatestAttendance() {
-        String result = attendanceService.expireLatestAttendanceCode();
+        // statusCode가 SUCCESS 또는 ALREADY_MARKED인 경우 성공으로 처리
+        boolean isSuccess = "SUCCESS".equals(response.getStatusCode()) || 
+                           "ALREADY_MARKED".equals(response.getStatusCode());
         
-        if (result.equals("출석 코드가 성공적으로 만료되었습니다")) {
-            return ApiResponse.success(result, null);
+        if (isSuccess) {
+            return ApiResponse.success(response);
         } else {
-            return ApiResponse.error(result);
+            // 그 외의 경우 (NO_ACTIVE_SESSION, CODE_EXPIRED, ERROR)는 오류로 처리
+            return ApiResponse.<AttendanceMarkResponse>builder()
+                    .success(false)
+                    .message(response.getMessage())
+                    .data(response)
+                    .build();
         }
     }
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/request/MarkAttendanceReq.java b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/request/MarkAttendanceReq.java
index 779ead3..450728e 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/request/MarkAttendanceReq.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/request/MarkAttendanceReq.java
@@ -1,9 +1,14 @@
 package backend.pirocheck.Attendance.dto.request;
 
+import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Getter;
 
 @Getter
+@Schema(description = "출석 체크 요청")
 public class MarkAttendanceReq {
+    @Schema(description = "사용자 ID", example = "1")
     private Long userId;
+    
+    @Schema(description = "출석 코드", example = "1234")
     private String code;
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceCodeResponse.java b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceCodeResponse.java
index 4fe0b37..ca3dc4b 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceCodeResponse.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceCodeResponse.java
@@ -1,6 +1,7 @@
 package backend.pirocheck.Attendance.dto.response;
 
 import backend.pirocheck.Attendance.entity.AttendanceCode;
+import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
@@ -12,10 +13,18 @@
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
+@Schema(description = "출석 코드 응답")
 public class AttendanceCodeResponse {
+    @Schema(description = "출석 코드", example = "1234")
     private String code;
+    
+    @Schema(description = "출석 날짜", example = "2025-06-24")
     private LocalDate date;
+    
+    @Schema(description = "출석 차시 (1, 2, 3)", example = "1")
     private int order;
+    
+    @Schema(description = "만료 여부", example = "false")
     private boolean isExpired;
     
     public static AttendanceCodeResponse from(AttendanceCode attendanceCode) {
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceSlotRes.java b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceSlotRes.java
index aa1a5cc..8a804bd 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceSlotRes.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceSlotRes.java
@@ -1,5 +1,6 @@
 package backend.pirocheck.Attendance.dto.response;
 
+import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
@@ -7,8 +8,11 @@
 @Getter
 @Setter
 @AllArgsConstructor
+@Schema(description = "출석 차시별 상태")
 public class AttendanceSlotRes {
+    @Schema(description = "출석 차시 (1, 2, 3)", example = "1")
     private int order;
+    
+    @Schema(description = "출석 여부", example = "true")
     private boolean status;
-
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceStatusRes.java b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceStatusRes.java
index 7a0cfa4..6716f8a 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceStatusRes.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/dto/response/AttendanceStatusRes.java
@@ -1,5 +1,6 @@
 package backend.pirocheck.Attendance.dto.response;
 
+import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -8,7 +9,14 @@
 
 @Getter
 @Setter
+@Schema(description = "사용자 출석 상태")
 public class AttendanceStatusRes {
+    @Schema(description = "출석 날짜", example = "2025-06-24")
     private LocalDate date;
+    
+    @Schema(description = "주차", example = "1")
+    private int week;
+    
+    @Schema(description = "출석 차시별 상태 목록")
     private List<AttendanceSlotRes> slots;
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/service/AttendanceService.java b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/service/AttendanceService.java
index de65f49..ae2d5a8 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/service/AttendanceService.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Attendance/service/AttendanceService.java
@@ -3,6 +3,7 @@
 import backend.pirocheck.User.entity.Role;
 import backend.pirocheck.User.entity.User;
 import backend.pirocheck.User.repository.UserRepository;
+import backend.pirocheck.Attendance.dto.response.AttendanceMarkResponse;
 import backend.pirocheck.Attendance.dto.response.AttendanceSlotRes;
 import backend.pirocheck.Attendance.dto.response.AttendanceStatusRes;
 import backend.pirocheck.Attendance.entity.Attendance;
@@ -43,6 +44,11 @@ public AttendanceCode generateCodeAndCreateAttendances() {
 
         // 오늘 생성된 출석코드 개수 = 현재까지 생성된 차시 수 + 1 (MAX=3)
         int currentOrder = attendanceCodeRepository.countByDate(today) + 1;
+        
+        // 하루 최대 3회 출석 체크만 허용
+        if (currentOrder > 3) {
+            throw new IllegalStateException("하루에 최대 3회까지만 출석 체크를 진행할 수 있습니다.");
+        }
 
         // 1. 출석 코드 생성
         String code = String.valueOf(ThreadLocalRandom.current().nextInt(1000, 10000));
@@ -119,25 +125,38 @@ public String exprireAttendanceCode(String code) {
 
     // 출석처리 함수
     @Transactional
-    public String markAttendance(Long userId, String inputCode) {
-        // 1. 출석코드 일치 비교
-        Optional<AttendanceCode> validCodeOpt = attendanceCodeRepository.findByCodeAndDate(inputCode, LocalDate.now());
-
+    public AttendanceMarkResponse markAttendance(Long userId, String inputCode) {
+        // 오늘 날짜
+        LocalDate today = LocalDate.now();
+        
+        // 현재 활성화된 출석 코드가 있는지 확인
+        List<AttendanceCode> activeCodes = attendanceCodeRepository.findByDateAndIsExpiredFalse(today);
+        
+        // 활성화된 출석 코드가 없는 경우
+        if (activeCodes.isEmpty()) {
+            return AttendanceMarkResponse.noActiveSession();
+        }
+        
+        // 입력한 출석 코드와 일치하는 코드가 있는지 확인
+        Optional<AttendanceCode> validCodeOpt = attendanceCodeRepository.findByCodeAndDate(inputCode, today);
+        
+        // 입력한 출석 코드가 존재하지 않는 경우
         if (validCodeOpt.isEmpty()) {
-            return "출석 코드가 존재하지 않습니다. 현재 출석 체크가 진행중이 아닙니다";
+            return AttendanceMarkResponse.invalidCode();
         }
 
         AttendanceCode code = validCodeOpt.get();
         
+        // 입력한 출석 코드가 만료된 경우
         if (code.isExpired()) {
-            return "출석 코드가 만료되었습니다";
+            return AttendanceMarkResponse.codeExpired();
         }
 
         // 2. 해당 유저의 출석 레코드 조회
         Optional<Attendance> attendanceOpt = attendanceRepository.findByUserIdAndDateAndOrder(userId, code.getDate(), code.getOrder());
 
         if (attendanceOpt.isEmpty()) {
-            return "출석 정보를 찾을 수 없습니다";
+            return AttendanceMarkResponse.error("출석 정보를 찾을 수 없습니다");
         }
 
         // 3. 출석 처리
@@ -145,13 +164,13 @@ public String markAttendance(Long userId, String inputCode) {
         
         // 이미 출석한 경우
         if (attendance.isStatus()) {
-            return "이미 출석처리가 완료되었습니다";
+            return AttendanceMarkResponse.alreadyMarked();
         }
         
         attendance.setStatus(true);
         attendanceRepository.save(attendance);
 
-        return "출석이 성공적으로 처리되었습니다";
+        return AttendanceMarkResponse.success();
     }
 
     // 유저의 전체 출석 현황을 조회하는 함수
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java b/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java
index 139e385..a0431e6 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java
@@ -2,13 +2,11 @@
 
 import backend.pirocheck.User.entity.User;
 import jakarta.persistence.*;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
+import lombok.*;
 
 @Entity
 @Getter
+@Setter
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
@@ -37,4 +35,12 @@ public void updateAmounts(int descentAssignment, int descentAttendance, int asce
         this.amount = Math.min(calculateAmount, 120000);  // 12만원 넘어가지 않도록
     }
 
+    // 방어권 업데이트
+    public void updateDefence(int newAscentDefence) {
+        this.ascentDefence = newAscentDefence;
+        int calculateAmount = 120000 - this.descentAssignment - this.descentAttendance + newAscentDefence;
+        this.amount = Math.min(calculateAmount, 120000);
+
+    }
+
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/Controller/ManageStudentsController.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/Controller/ManageStudentsController.java
new file mode 100644
index 0000000..043b571
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/Controller/ManageStudentsController.java
@@ -0,0 +1,37 @@
+package backend.pirocheck.ManageStudents.Controller;
+
+import backend.pirocheck.ManageStudents.dto.request.DefenceUpdateReqDto;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentDetailResDto;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentsListResDto;
+import backend.pirocheck.ManageStudents.service.ManageStudentsService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/admin/managestudent")
+@RequiredArgsConstructor
+public class ManageStudentsController {
+
+    private final ManageStudentsService manageStudentsService;
+
+    // 수강생 리스트 조회
+    @GetMapping("")
+    public List<ManageStudentsListResDto> getStudents(@RequestParam(required = false) String name) {
+        return manageStudentsService.searchMembers(name);
+    }
+
+    // 수강생 상세 조회
+    @GetMapping("/{studentId}")
+    public ManageStudentDetailResDto getStudentDetail(@PathVariable Long studentId) {
+        return manageStudentsService.getMemberDetail(studentId);
+    }
+
+    // 방어권 업데이트
+    @PatchMapping("/{studentId}/defence")
+    public void updateDefence(@PathVariable Long studentId, @RequestBody DefenceUpdateReqDto req) {
+        manageStudentsService.updateDefence(studentId, req.getDefence());
+    }
+
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/request/DefenceUpdateReqDto.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/request/DefenceUpdateReqDto.java
new file mode 100644
index 0000000..78e39f7
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/request/DefenceUpdateReqDto.java
@@ -0,0 +1,11 @@
+package backend.pirocheck.ManageStudents.dto.request;
+
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class DefenceUpdateReqDto {
+    private int defence;
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentDetailResDto.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentDetailResDto.java
new file mode 100644
index 0000000..e5206fc
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentDetailResDto.java
@@ -0,0 +1,16 @@
+package backend.pirocheck.ManageStudents.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+@Builder
+public class ManageStudentDetailResDto {
+
+    private String name;
+    private int deposit;
+    private int defence; // 방어권
+    private List<String> assignmentTitles; // 과제 제목 리스트
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentsListResDto.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentsListResDto.java
new file mode 100644
index 0000000..d5e028f
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentsListResDto.java
@@ -0,0 +1,13 @@
+package backend.pirocheck.ManageStudents.dto.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class ManageStudentsListResDto {
+
+    private Long id;
+    private String name;
+
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/service/ManageStudentsService.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/service/ManageStudentsService.java
new file mode 100644
index 0000000..e28c409
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/service/ManageStudentsService.java
@@ -0,0 +1,86 @@
+package backend.pirocheck.ManageStudents.service;
+
+import backend.pirocheck.Deposit.entity.Deposit;
+import backend.pirocheck.Deposit.repository.DepositRepository;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentDetailResDto;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentsListResDto;
+import backend.pirocheck.User.entity.Role;
+import backend.pirocheck.User.entity.User;
+import backend.pirocheck.User.repository.UserRepository;
+import backend.pirocheck.assignment.entity.Assignment;
+import backend.pirocheck.assignment.repository.AssignmentRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class ManageStudentsService {
+
+    private final UserRepository userRepository;
+    private final DepositRepository depositRepository;
+    private final AssignmentRepository assignmentRepository;
+
+    // 수강생 조회
+    public List<ManageStudentsListResDto> searchMembers(String name) {
+        List<User> users;
+
+        if(name == null || name.isBlank()) {
+            // 검색어가 없으면 맴버 전체 조회
+            users = userRepository.findByRole(Role.MEMBER);
+        }
+        else {
+            // 이름 검색
+            users = userRepository.findByNameContainingAndRole(name, Role.MEMBER);
+        }
+
+        return users.stream()
+                .map(user -> new ManageStudentsListResDto(user.getId(), user.getName()))
+                .collect(Collectors.toList());
+    }
+
+    // 수강생 상세 조회
+    public ManageStudentDetailResDto getMemberDetail(Long studentId) {
+        // User 조회
+        User user = userRepository.findById(studentId)
+                .orElseThrow(() -> new RuntimeException("해당 맴버가 존재하지 않습니다."));
+
+        // deposit 조회
+        Deposit deposit = depositRepository.findByUser(user);
+        if (deposit == null) {
+            throw new RuntimeException("해당 수강생의 보증금 정보가 없습니다.");
+        }
+
+        // Assignment 리스트 조회
+        List<Assignment> assignments = assignmentRepository.findByUserId(studentId);
+
+        // 과제 제목만 리스트로 변환
+        List<String> assignmentTitles = assignments.stream()
+                .map(Assignment::getAssignmentName)
+                .toList();
+
+        // ManageStudentDetailResDto 조립
+        return ManageStudentDetailResDto.builder()
+                .name(user.getName())
+                .deposit(deposit.getAmount())
+                .defence(deposit.getAscentDefence())
+                .assignmentTitles(assignmentTitles)
+                .build();
+    }
+
+    // 방어권 업데이트
+    public void updateDefence(Long studentId, int defence) {
+        User user = userRepository.findById(studentId)
+                .orElseThrow(() -> new RuntimeException("해당 수강생의 보증금 정보가 없습니다."));
+        Deposit deposit = depositRepository.findByUser(user);
+
+        // 업데이트
+        deposit.updateDefence(defence);
+
+        // 저장
+        depositRepository.save(deposit);
+
+    }
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java b/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java
index 4fd3755..f26232f 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java
@@ -16,4 +16,12 @@ public ResponseEntity<ApiResponse<?>> handleInvalidLoginException(InvalidLoginEx
                 .status(HttpStatus.UNAUTHORIZED) // 401 상태 코드
                 .body(ApiResponse.error(e.getMessage())); // 에러 메시지 전달
     }
+
+    // RuntimeException (유저관리 상세페이지)
+    @ExceptionHandler(RuntimeException.class)
+    public ResponseEntity<ApiResponse<?>> handleRuntimeException(RuntimeException ex) {
+        return ResponseEntity
+                .status(HttpStatus.BAD_REQUEST) // 404
+                .body(ApiResponse.error(ex.getMessage()));
+    }
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java b/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java
index 9f80d25..8859494 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java
@@ -12,4 +12,7 @@ public interface UserRepository extends JpaRepository<User, Long> {
     Optional<User> findByName(String name);
 
     List<User> findByRole(Role role);
+
+    // 학생 이름으로 검색기능
+    List<User> findByNameContainingAndRole(String name, Role role);
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/assignment/controller/AssignmentController.java b/backend/pirocheck/src/main/java/backend/pirocheck/assignment/controller/AssignmentController.java
index 3552b44..0c1379f 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/assignment/controller/AssignmentController.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/assignment/controller/AssignmentController.java
@@ -10,7 +10,7 @@
 import java.util.List;
 
 @RestController
-@RequestMapping("/assignment")
+@RequestMapping("/api/assignment")
 @RequiredArgsConstructor
 public class AssignmentController {
 
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/config/WebConfig.java b/backend/pirocheck/src/main/java/backend/pirocheck/config/WebConfig.java
index a6ae980..1dcff3e 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/config/WebConfig.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/config/WebConfig.java
@@ -10,8 +10,9 @@ public class WebConfig implements WebMvcConfigurer {
     @Override
     public void addCorsMappings(CorsRegistry registry) {
         registry.addMapping("/api/**") // 백엔드 API 요청에만 CORS 허용
-                .allowedOrigins("http://pirocheck.org:3000") // 프론트 배포 URL
-                .allowedMethods("GET", "POST", "PUT", "DELETE") // 허용할 HTTP 메서드
+                .allowedOrigins("http://www.pirocheck.org") // 프론트 배포 URL
+                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS") // 허용할 HTTP 메서드
+                .allowedHeaders("*")
                 .allowCredentials(true); // 세션 쿠키 주고받기 허용
     }
 }
diff --git a/backend/pirocheck/src/main/resources/application.yml b/backend/pirocheck/src/main/resources/application.yml
index b8b7096..bdef4aa 100644
--- a/backend/pirocheck/src/main/resources/application.yml
+++ b/backend/pirocheck/src/main/resources/application.yml
@@ -20,4 +20,20 @@ server:
         secure: false       # HTTPS 전용 전송 (Https -> true로 바꿔야 함)
         same-site: Lax      # CSRF 방지
       timeout: 30m          # 세션 타임아웃 30분 (30 minutes)
-  address: 0.0.0.0
\ No newline at end of file
+  address: 0.0.0.0
+
+# Swagger 설정
+springdoc:
+  packages-to-scan: backend.pirocheck
+  default-consumes-media-type: application/json
+  default-produces-media-type: application/json
+  swagger-ui:
+    path: /swagger-ui.html
+    disable-swagger-default-url: true
+    display-request-duration: true
+    tags-sorter: alpha
+    operations-sorter: alpha
+  api-docs:
+    path: /api-docs
+  cache:
+    disabled: true
\ No newline at end of file
diff --git a/frontend/src/Admin.jsx b/frontend/src/Admin.jsx
deleted file mode 100644
index 1eb01d0..0000000
--- a/frontend/src/Admin.jsx
+++ /dev/null
@@ -1,9 +0,0 @@
-const Admin = () => {
-  return (
-    <div>
-      <h1>Admin Page</h1>
-      <p>This is the admin page.</p>
-    </div>
-  );
-};
-export default Admin;
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index db217ff..b11b9d0 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -1,12 +1,15 @@
 import React from "react";
 import { BrowserRouter, Routes, Route } from "react-router-dom";
 import Login from "./Login";
-import Home from "./Home";
-import Assignment from "./Assignment";
-import Deposit from "./Deposit";
+import Home from "./pages/generation/Home";
+import Assignment from "./pages/generation/Assignment";
+import Deposit from "./pages/generation/Deposit";
 import Intro from "./Intro";
-import Admin from "./Admin";
-import Attendance from "./Attendance";
+import Admin from "./pages/admin/Admin";
+import MagageStudent from "./pages/admin/ManageStudent.jsx";
+import ManageTask from "./pages/admin/ManageTask.jsx";
+import AttendanceCode from "./pages/admin/AttendanceCode";
+import Attendance from "./pages/generation/Attendance";
 
 function App() {
   return (
@@ -19,6 +22,9 @@ function App() {
         <Route path="/attendance" element={<Attendance />} />
         <Route path="/deposit" element={<Deposit />} />
         <Route path="/admin" element={<Admin />} />
+        <Route path="/magagestudent" element={<MagageStudent />} />
+        <Route path="/magagetask" element={<ManageTask />} />
+        <Route path="/attendancecode" element={<AttendanceCode />} />
       </Routes>
     </BrowserRouter>
   );
diff --git a/frontend/src/api/api.js b/frontend/src/api/api.js
new file mode 100644
index 0000000..2cd0305
--- /dev/null
+++ b/frontend/src/api/api.js
@@ -0,0 +1,19 @@
+import axios from "axios";
+
+const api = axios.create({
+  baseURL: "http://api.:8080/api",
+  withCredentials: true,
+});
+
+// 401 오류 시 로그인 페이지로 리다이렉트
+api.interceptors.response.use(
+  (response) => response,
+  (error) => {
+    if (error.response?.status === 401) {
+      window.location.href = "/login";
+    }
+    return Promise.reject(error);
+  }
+);
+
+export default api;
diff --git a/frontend/src/api/assignment.js b/frontend/src/api/assignment.js
index 4102105..cf1a11a 100644
--- a/frontend/src/api/assignment.js
+++ b/frontend/src/api/assignment.js
@@ -1,5 +1,6 @@
-import axios from "axios";
+import api from "./api";
 
 export const fetchAssignmentsByUser = async (userId) => {
-  const res = await axios.get(`/api/assignment/grouped/${userId}`);  return res.data;
+  const res = await api.get(`/assignment/grouped/${userId}`);
+  return res.data;
 };
diff --git a/frontend/src/api/user.js b/frontend/src/api/user.js
index 3964bac..12e057a 100644
--- a/frontend/src/api/user.js
+++ b/frontend/src/api/user.js
@@ -1,5 +1,5 @@
 export const loginUser = async ({ name, password }) => {
-  const res = await fetch("/api/login", {
+  const res = await fetch("http://api.pirocheck.org:8080/api/login", {
     method: "POST",
     headers: {
       "Content-Type": "application/json",
diff --git a/frontend/src/pages/admin/Admin.jsx b/frontend/src/pages/admin/Admin.jsx
new file mode 100644
index 0000000..fa42daf
--- /dev/null
+++ b/frontend/src/pages/admin/Admin.jsx
@@ -0,0 +1,34 @@
+import { useNavigate } from "react-router-dom";
+import styles from "./Admin.module.css";
+
+const Admin = () => {
+  const navigate = useNavigate();
+  return (
+    <div className={styles.home_container}>
+      <div className={styles.home}>
+        <h1 className={styles.pirocheck}>PIROCHECK</h1>
+        <button
+          className={styles.button}
+          onClick={() => navigate("/magagestudent")}
+        >
+          <p>수강생 관리</p>
+        </button>
+        <button
+          className={styles.button}
+          onClick={() => navigate("/magagetask")}
+        >
+          <p>과제 관리</p>
+        </button>
+        <button
+          className={styles.button}
+          onClick={() => navigate("/attendancecode")}
+        >
+          <p>출석코드 생성</p>
+        </button>
+        <img src="/assets/img/logo.svg" alt="로고" />
+      </div>
+    </div>
+  );
+};
+
+export default Admin;
diff --git a/frontend/src/pages/admin/Admin.module.css b/frontend/src/pages/admin/Admin.module.css
new file mode 100644
index 0000000..760d1d9
--- /dev/null
+++ b/frontend/src/pages/admin/Admin.module.css
@@ -0,0 +1,50 @@
+.home {
+  height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: flex-start;
+  overflow: hidden;
+  font-family: "Akira Expanded";
+}
+.pirocheck {
+  margin-top: 84px;
+  font-size: 1.25rem;
+  margin-bottom: 103px;
+}
+.home_container {
+  background-color: var(--background-black);
+  color: var(--main-green);
+  font-family: "Cafe24Moyamoya-Regular-v1.0", sans-serif;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+.button {
+  width: 309px;
+  height: 81px;
+  border-radius: 8px;
+  background-color: var(--border-gray);
+  color: var(--text-white);
+  font-family: "Akira Expanded";
+  font-weight: 400;
+  font-size: 16px;
+  border: none;
+  padding: 29px 103px;
+  font-weight: bold;
+  margin-bottom: 26px;
+  z-index: 1;
+  display: flex;
+  justify-content: center;
+}
+.button p {
+  text-align: start;
+}
+.button:hover {
+  background-color: var(--card-toggle-green);
+  color: var(--text-white);
+}
+.home img {
+  position: relative;
+  opacity: 0.8;
+  bottom: 11%;
+  z-index: 0;
+}
diff --git a/frontend/src/pages/admin/AttendanceCode.jsx b/frontend/src/pages/admin/AttendanceCode.jsx
new file mode 100644
index 0000000..d184e1d
--- /dev/null
+++ b/frontend/src/pages/admin/AttendanceCode.jsx
@@ -0,0 +1,4 @@
+const AttendanceCode = () => {
+  return <p>출석코드 생성</p>;
+};
+export default AttendanceCode;
diff --git a/frontend/src/pages/admin/ManageStudent.jsx b/frontend/src/pages/admin/ManageStudent.jsx
new file mode 100644
index 0000000..41f63e8
--- /dev/null
+++ b/frontend/src/pages/admin/ManageStudent.jsx
@@ -0,0 +1,4 @@
+const MagageStudent = () => {
+  return <p>수강생 관리</p>;
+};
+export default MagageStudent;
diff --git a/frontend/src/pages/admin/ManageTask.jsx b/frontend/src/pages/admin/ManageTask.jsx
new file mode 100644
index 0000000..7140e6e
--- /dev/null
+++ b/frontend/src/pages/admin/ManageTask.jsx
@@ -0,0 +1,4 @@
+const MagageTask = () => {
+  return <p>과제 관리</p>;
+};
+export default MagageTask;
diff --git a/frontend/src/Assignment.jsx b/frontend/src/pages/generation/Assignment.jsx
similarity index 64%
rename from frontend/src/Assignment.jsx
rename to frontend/src/pages/generation/Assignment.jsx
index cff140f..d1c0115 100644
--- a/frontend/src/Assignment.jsx
+++ b/frontend/src/pages/generation/Assignment.jsx
@@ -1,9 +1,10 @@
 import React, { useEffect, useState } from "react";
-import WeeklyListBlock from "./components/WeeklyListBlock";
-import Header from "./components/Header";
-import AssignmentInfoBlock from "./components/AssignmentInfoBlock";
+import WeeklyListBlock from "../../components/WeeklyListBlock";
+import Header from "../../components/Header";
+import AssignmentInfoBlock from "../../components/AssignmentInfoBlock";
 import styles from "./Assignment.module.css";
-import { mapStatus } from "./utils/AssignmentStatus.js";
+import { mapStatus } from "../../utils/AssignmentStatus.js";
+import { fetchAssignmentsByUser } from "../../api/assignment.js";
 
 const Assignment = () => {
   const [weeks, setWeeks] = useState([]);
@@ -16,18 +17,18 @@ const Assignment = () => {
     if (!userId) return;
 
     fetchAssignmentsByUser(userId)
-    .then((weekData) => {
-      const formatted = weekData.map((weekItem) => ({
-        label: `${weekItem.week}주차 ${weekItem.title}`,
-        details: weekItem.days.map((dayItem) => ({
-          day: dayItem.day,
-          subject: weekItem.title,
-          tasks: dayItem.details.map((task) => ({
-            label: task.assignmentName,
-            status: mapStatus(task.status),
+      .then((weekData) => {
+        const formatted = weekData.map((weekItem) => ({
+          label: `${weekItem.week}주차 ${weekItem.title}`,
+          details: weekItem.days.map((dayItem) => ({
+            day: dayItem.day,
+            subject: weekItem.title,
+            tasks: dayItem.details.map((task) => ({
+              label: task.assignmentName,
+              status: mapStatus(task.status),
+            })),
           })),
-        })),
-      }));
+        }));
 
         setWeeks(formatted);
 
@@ -63,4 +64,3 @@ const Assignment = () => {
 };
 
 export default Assignment;
-
diff --git a/frontend/src/Assignment.module.css b/frontend/src/pages/generation/Assignment.module.css
similarity index 100%
rename from frontend/src/Assignment.module.css
rename to frontend/src/pages/generation/Assignment.module.css
diff --git a/frontend/src/Attendance.jsx b/frontend/src/pages/generation/Attendance.jsx
similarity index 89%
rename from frontend/src/Attendance.jsx
rename to frontend/src/pages/generation/Attendance.jsx
index cff814f..dce08b1 100644
--- a/frontend/src/Attendance.jsx
+++ b/frontend/src/pages/generation/Attendance.jsx
@@ -1,9 +1,9 @@
 import { useEffect, useState } from "react";
-import Header from "./components/Header";
-import InputBlock from "./components/InputBlock";
-import AttendanceWeekInfo from "./components/AttendanceWeekInfo";
+import Header from "../../components/Header";
+import InputBlock from "../../components/InputBlock";
+import AttendanceWeekInfo from "../../components/AttendanceWeekInfo";
 import styles from "./Attendance.module.css";
-import axios from "axios";
+import api from "../../api/api";
 
 const Attendance = () => {
   const [attendanceCode, setAttendanceCode] = useState([""]);
@@ -88,8 +88,9 @@ const Attendance = () => {
       if (!userId) return;
 
       // 유저 전체 출석 데이터 불러오기
-      const res = await axios.get(`/api/attendance/user`, {
+      const res = await api.get(`/attendance/user`, {
         params: { userId },
+        withCredentials: true, // 세션 기반 인증 요청처리
       });
       const rawData = res.data.data;
       const weekly = processWeeklyAttendance(rawData);
@@ -107,8 +108,9 @@ const Attendance = () => {
       if (!userId) return;
 
       const today = new Date().toISOString().split("T")[0]; // YYYY-MM-DD
-      const res = await axios.get(`/api/attendance/user/date`, {
+      const res = await api.get(`/attendance/user/date`, {
         params: { userId, date: today },
+        withCredentials: true, // 세션 기반 인증 요청처리
       });
 
       const slots = res.data.data?.[0]?.slots || [];
@@ -149,10 +151,18 @@ const Attendance = () => {
       if (!userId) return;
 
       // 유저가 입력한 출석 코드 서버에 전달(서버에서 출석코드 체크)
-      const res = await axios.post("/api/attendance/mark", {
-        userId,
-        code: attendanceCode[0],
-      });
+
+      const res = await axios.post(
+        "/api/attendance/mark",
+
+        {
+          userId,
+          code: attendanceCode[0],
+        },
+        {
+          withCredentials: true, // 세션 기반 인증 요청처리
+        }
+      );
 
       if (res.data.success) {
         alert("출석이 성공적으로 처리되었습니다!");
diff --git a/frontend/src/Attendance.module.css b/frontend/src/pages/generation/Attendance.module.css
similarity index 100%
rename from frontend/src/Attendance.module.css
rename to frontend/src/pages/generation/Attendance.module.css
diff --git a/frontend/src/Deposit.jsx b/frontend/src/pages/generation/Deposit.jsx
similarity index 90%
rename from frontend/src/Deposit.jsx
rename to frontend/src/pages/generation/Deposit.jsx
index ce2198c..8b9c17b 100644
--- a/frontend/src/Deposit.jsx
+++ b/frontend/src/pages/generation/Deposit.jsx
@@ -1,18 +1,20 @@
-import Header from "./components/Header";
+import Header from "../../components/Header";
 import styles from "./Deposit.module.css";
 import axios from "axios";
 import { useEffect, useState } from "react";
+import api from "../../api/api";
 
 const Deposit = () => {
   const [deposit, setDeposit] = useState(null);
+
   useEffect(() => {
     const user = JSON.parse(localStorage.getItem("user"));
     const userId = user?.id;
 
     if (!userId) return;
 
-    axios
-      .get(`/api/deposit/${userId}`)
+    api
+      .get(`/deposit/${userId}`)
       .then((res) => setDeposit(res.data))
       .catch((err) => {
         alert("보증금 정보를 불러오지 못했습니다.");
diff --git a/frontend/src/Deposit.module.css b/frontend/src/pages/generation/Deposit.module.css
similarity index 100%
rename from frontend/src/Deposit.module.css
rename to frontend/src/pages/generation/Deposit.module.css
diff --git a/frontend/src/Home.jsx b/frontend/src/pages/generation/Home.jsx
similarity index 96%
rename from frontend/src/Home.jsx
rename to frontend/src/pages/generation/Home.jsx
index f1fe4fa..df86a12 100644
--- a/frontend/src/Home.jsx
+++ b/frontend/src/pages/generation/Home.jsx
@@ -1,4 +1,3 @@
-import React from "react";
 import { useNavigate } from "react-router-dom";
 import styles from "./Home.module.css";
 
diff --git a/frontend/src/Home.module.css b/frontend/src/pages/generation/Home.module.css
similarity index 85%
rename from frontend/src/Home.module.css
rename to frontend/src/pages/generation/Home.module.css
index 9cdf1de..436f3ed 100644
--- a/frontend/src/Home.module.css
+++ b/frontend/src/pages/generation/Home.module.css
@@ -5,10 +5,10 @@
   align-items: center;
   justify-content: flex-start;
   overflow: hidden;
-  font-family: 'Akira Expanded';
+  font-family: "Akira Expanded";
 }
 .pirocheck {
-  margin-top: 43px;
+  margin-top: 84px;
   font-size: 1.25rem;
   margin-bottom: 103px;
 }
@@ -24,10 +24,10 @@
   border-radius: 8px;
   background-color: var(--border-gray);
   color: var(--text-white);
-  font-family: 'Akira Expanded';
+  font-family: "Akira Expanded";
   font-weight: 400;
   font-size: 16px;
-  border: 1px var(--background-black) solid;
+  border: none;
   padding: 15px;
   font-weight: bold;
   margin-bottom: 26px;
@@ -43,6 +43,6 @@
 .home img {
   position: relative;
   opacity: 0.8;
-  top: -92px;
+  bottom: -2%;
   z-index: 0;
 }