diff --git a/.gitignore b/.gitignore
index 894a840f..ce82f3d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,7 +16,9 @@ frontend/node_modules/*
 frontend/.next/*
 frontend/next-env.d.ts
 frontend/package-lock.json
-frontend/.env
+.env.*
+!.env.example
+*.tsbuildinfo
 
 # os
 .DS_Store
diff --git a/frontend/components/common/receive/ReceiveContent.tsx b/frontend/components/common/receive/ReceiveContent.tsx
index ee5c3887..8ad2dfcc 100644
--- a/frontend/components/common/receive/ReceiveContent.tsx
+++ b/frontend/components/common/receive/ReceiveContent.tsx
@@ -8,6 +8,7 @@ import {Badge} from '@/components/ui/badge';
 import {TRUST_LEVEL_OPTIONS} from '@/components/common/project';
 import {ArrowLeftIcon, Copy, Tag, Gift, Clock, AlertCircle, Package} from 'lucide-react';
 import ContentRender from '@/components/common/markdown/ContentRender';
+import {ReportButton} from '@/components/common/receive/ReportButton';
 import services from '@/lib/services';
 import {BasicUserInfo} from '@/lib/services/core';
 import {GetProjectResponseData} from '@/lib/services/project';
@@ -331,6 +332,18 @@ export function ReceiveContent({data}: ReceiveContentProps) {
           />
         </div>
       </motion.div>
+
+      <motion.div variants={itemVariants}>
+        <hr className="border-t border-gray-200 dark:border-gray-700" />
+        <div className="pt-4">
+          <ReportButton
+            projectId={projectId}
+            user={user}
+            hasReported={false}
+            variant="text"
+          />
+        </div>
+      </motion.div>
     </motion.div>
   );
 }
diff --git a/frontend/components/common/receive/ReportButton.tsx b/frontend/components/common/receive/ReportButton.tsx
new file mode 100644
index 00000000..7ee5ef62
--- /dev/null
+++ b/frontend/components/common/receive/ReportButton.tsx
@@ -0,0 +1,160 @@
+'use client';
+
+import {useState} from 'react';
+import {toast} from 'sonner';
+import {Button} from '@/components/ui/button';
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+} from '@/components/ui/dialog';
+import {Textarea} from '@/components/ui/textarea';
+import {Label} from '@/components/ui/label';
+import {Flag} from 'lucide-react';
+import services from '@/lib/services';
+import {BasicUserInfo} from '@/lib/services/core';
+
+/**
+ * 举报按钮组件 Props
+ */
+interface ReportButtonProps {
+  /** 项目ID */
+  projectId: string;
+  /** 当前用户信息 */
+  user: BasicUserInfo | null;
+  /** 是否已经举报过 */
+  hasReported?: boolean;
+  /** 按钮样式变体 */
+  variant?: 'default' | 'text';
+}
+
+/**
+ * 举报按钮组件
+ * 提供项目举报功能，通过弹窗让用户填写举报理由
+ */
+export function ReportButton({projectId, user, hasReported = false, variant = 'default'}: ReportButtonProps) {
+  const [isOpen, setIsOpen] = useState(false);
+  const [reason, setReason] = useState('');
+  const [isSubmitting, setIsSubmitting] = useState(false);
+  const [hasReportedLocal, setHasReportedLocal] = useState(hasReported);
+
+  // 计算 trimmed reason，用于多个地方的验证
+  const trimmedReason = reason.trim();
+
+  /**
+   * 处理举报提交
+   */
+  const handleSubmit = async () => {
+    if (!trimmedReason) {
+      toast.error('请填写举报理由');
+      return;
+    }
+
+    if (trimmedReason.length > 255) {
+      toast.error('举报理由不能超过255个字符');
+      return;
+    }
+
+    try {
+      setIsSubmitting(true);
+
+      const result = await services.project.reportProjectSafe(projectId, trimmedReason);
+
+      if (result.success) {
+        toast.success('举报提交成功，感谢您的反馈');
+        setHasReportedLocal(true);
+        setIsOpen(false);
+        setReason('');
+      } else {
+        // 检查是否是重复举报的错误
+        if (result.error && result.error.includes('已举报过当前项目')) {
+          setHasReportedLocal(true);
+        }
+        toast.error(result.error || '举报失败，请稍后重试');
+      }
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : '举报失败，请稍后重试';
+      // 检查是否是重复举报的错误
+      if (errorMessage.includes('已举报过当前项目')) {
+        setHasReportedLocal(true);
+      }
+      toast.error(errorMessage);
+    } finally {
+      setIsSubmitting(false);
+    }
+  };
+
+  /**
+   * 处理对话框关闭
+   */
+  const handleClose = () => {
+    if (!isSubmitting) {
+      setIsOpen(false);
+      setReason('');
+    }
+  };
+
+  return (
+    <Dialog open={isOpen} onOpenChange={setIsOpen}>
+      <DialogTrigger asChild>
+        <Button
+          variant={variant === 'text' ? 'ghost' : 'outline'}
+          size={variant === 'text' ? 'sm' : 'sm'}
+          disabled={!user || hasReportedLocal}
+          className={
+            variant === 'text' ?
+              'h-auto p-0 text-sm text-muted-foreground hover:text-foreground font-normal justify-start' :
+              'h-8 px-3 text-xs border-muted-foreground/30 text-muted-foreground hover:text-foreground hover:border-muted-foreground'
+          }
+        >
+          <Flag className={variant === 'text' ? 'w-4 h-4 mr-2' : 'w-3 h-3 mr-1'} />
+          {!user ? '请先登录' : hasReportedLocal ? '已举报' : '举报项目'}
+        </Button>
+      </DialogTrigger>
+      <DialogContent className="sm:max-w-[425px]">
+        <DialogHeader>
+          <DialogTitle>举报项目</DialogTitle>
+          <DialogDescription>
+            如果您发现此项目存在违规内容、恶意行为或其他问题，请填写举报理由。我们会认真处理您的反馈。
+          </DialogDescription>
+        </DialogHeader>
+        <div className="grid gap-4 py-4">
+          <div className="grid gap-2">
+            <Label htmlFor="reason">举报理由</Label>
+            <Textarea
+              id="reason"
+              placeholder="请详细描述您发现的问题..."
+              value={reason}
+              onChange={(e) => setReason(e.target.value)}
+              className="min-h-[100px]"
+              maxLength={255}
+              disabled={isSubmitting}
+            />
+            <div className="text-xs text-muted-foreground text-right">
+              {reason.length}/255
+            </div>
+          </div>
+        </div>
+        <DialogFooter>
+          <Button
+            variant="outline"
+            onClick={handleClose}
+            disabled={isSubmitting}
+          >
+            取消
+          </Button>
+          <Button
+            onClick={handleSubmit}
+            disabled={isSubmitting || !trimmedReason}
+          >
+            {isSubmitting ? '提交中...' : '提交举报'}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
diff --git a/frontend/components/common/receive/index.ts b/frontend/components/common/receive/index.ts
index 5905c137..12693125 100644
--- a/frontend/components/common/receive/index.ts
+++ b/frontend/components/common/receive/index.ts
@@ -1,2 +1,3 @@
 export {ReceiveMain} from './ReceiveMain';
 export {ReceiveContent} from './ReceiveContent';
+export {ReportButton} from './ReportButton';
diff --git a/frontend/lib/services/project/project.service.ts b/frontend/lib/services/project/project.service.ts
index df140b21..3e8c220e 100644
--- a/frontend/lib/services/project/project.service.ts
+++ b/frontend/lib/services/project/project.service.ts
@@ -17,6 +17,7 @@ import {
   ProjectListResponse,
   ApiRequestParams,
   ReceiveProjectData,
+  ReportProjectResponse,
 } from './types';
 import apiClient from '../core/api-client';
 
@@ -195,6 +196,22 @@ export class ProjectService extends BaseService {
     return response.data.data;
   }
 
+  /**
+   * 举报项目
+   * @param projectId - 项目ID
+   * @param reason - 举报理由
+   * @returns 举报结果
+   */
+  static async reportProject(projectId: string, reason: string): Promise<void> {
+    const response = await apiClient.post<ReportProjectResponse>(`${this.basePath}/${projectId}/report`, {
+      reason,
+    });
+
+    if (response.data.error_msg) {
+      throw new Error(response.data.error_msg);
+    }
+  }
+
   /**
    * 获取项目详情（带错误处理）
    * @param projectId - 项目ID
@@ -412,4 +429,26 @@ export class ProjectService extends BaseService {
       };
     }
   }
+
+  /**
+   * 举报项目（带错误处理）
+   * @param projectId - 项目ID
+   * @param reason - 举报理由
+   * @returns 举报结果，包含成功状态和错误信息
+   */
+  static async reportProjectSafe(projectId: string, reason: string): Promise<{
+    success: boolean;
+    error?: string;
+  }> {
+    try {
+      await this.reportProject(projectId, reason);
+      return {success: true};
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : '举报失败';
+      return {
+        success: false,
+        error: errorMessage,
+      };
+    }
+  }
 }
diff --git a/frontend/lib/services/project/types.ts b/frontend/lib/services/project/types.ts
index 06b4a9b5..275b263e 100644
--- a/frontend/lib/services/project/types.ts
+++ b/frontend/lib/services/project/types.ts
@@ -278,3 +278,16 @@ export interface ProjectListData {
  * 项目列表响应类型
  */
 export type ProjectListResponse = BackendResponse<ProjectListData>;
+
+/**
+ * 举报项目请求参数
+ */
+export interface ReportProjectRequest {
+  /** 举报理由 */
+  reason: string;
+}
+
+/**
+ * 举报项目响应类型
+ */
+export type ReportProjectResponse = BackendResponse<null>;