diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/AppController.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/AppController.java
index 7d82c41c31e..6d1bc180550 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/AppController.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/AppController.java
@@ -8,9 +8,11 @@
 import com.ctrip.framework.apollo.core.enums.Env;
 import com.ctrip.framework.apollo.core.exception.BadRequestException;
 import com.ctrip.framework.apollo.portal.PortalSettings;
+import com.ctrip.framework.apollo.portal.entity.po.UserInfo;
 import com.ctrip.framework.apollo.portal.entity.vo.EnvClusterInfo;
 import com.ctrip.framework.apollo.portal.listener.AppCreationEvent;
 import com.ctrip.framework.apollo.portal.service.AppService;
+import com.ctrip.framework.apollo.portal.service.UserService;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationEventPublisher;
@@ -40,6 +42,8 @@ public class AppController {
   @Autowired
   private ApplicationEventPublisher publisher;
 
+  @Autowired
+  private UserService userService;
 
   @RequestMapping("")
   public List<App> findAllApp() {
@@ -71,12 +75,17 @@ public MultiResponseEntity<EnvClusterInfo> nav(@PathVariable String appId) {
   @RequestMapping(value = "", method = RequestMethod.POST)
   public ResponseEntity<Void> create(@RequestBody App app) {
 
-    checkArgument(app.getName(), app.getAppId(), app.getOwnerEmail(), app.getOwnerName(),
+    checkArgument(app.getName(), app.getAppId(), app.getOwnerName(),
         app.getOrgId(), app.getOrgName());
     if (!InputValidator.isValidClusterNamespace(app.getAppId())) {
       throw new BadRequestException(String.format("AppId格式错误: %s", InputValidator.INVALID_CLUSTER_NAMESPACE_MESSAGE));
     }
 
+    UserInfo userInfo = userService.findByUserId(app.getOwnerName());
+    if (userInfo == null){
+      throw new BadRequestException("应用负责人不存在");
+    }
+    app.setOwnerEmail(userInfo.getEmail());
     appService.enrichUserInfo(app);
     App createdApp = appService.create(app);
 
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/PermissionController.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/PermissionController.java
index 0a0be8c8e07..f9d7e845613 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/PermissionController.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/PermissionController.java
@@ -16,6 +16,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.util.CollectionUtils;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -89,8 +90,11 @@ public ResponseEntity<Void> assignNamespaceRoleToUser(@PathVariable String appId
     if (!RoleType.isValidRoleType(roleType)){
       throw new BadRequestException("role type is illegal");
     }
-    rolePermissionService.assignRoleToUsers(RoleUtils.buildNamespaceRoleName(appId, namespaceName, roleType),
+    Set<String> assignedUser = rolePermissionService.assignRoleToUsers(RoleUtils.buildNamespaceRoleName(appId, namespaceName, roleType),
                                             Sets.newHashSet(user), userInfoHolder.getUser().getUserId());
+    if (CollectionUtils.isEmpty(assignedUser)){
+      throw new BadRequestException(user + "已授权");
+    }
 
     return ResponseEntity.ok().build();
   }
@@ -130,8 +134,11 @@ public ResponseEntity<Void> assignAppRoleToUser(@PathVariable String appId, @Pat
     if (!RoleType.isValidRoleType(roleType)){
       throw new BadRequestException("role type is illegal");
     }
-    rolePermissionService.assignRoleToUsers(RoleUtils.buildAppRoleName(appId, roleType),
+    Set<String> assignedUsers = rolePermissionService.assignRoleToUsers(RoleUtils.buildAppRoleName(appId, roleType),
                                             Sets.newHashSet(user), userInfoHolder.getUser().getUserId());
+    if (CollectionUtils.isEmpty(assignedUsers)){
+      throw new BadRequestException(user + "已授权");
+    }
 
     return ResponseEntity.ok().build();
   }
diff --git a/apollo-portal/src/main/resources/static/app.html b/apollo-portal/src/main/resources/static/app.html
index 79a2c551f35..72e6ed42727 100644
--- a/apollo-portal/src/main/resources/static/app.html
+++ b/apollo-portal/src/main/resources/static/app.html
@@ -48,10 +48,7 @@
                         <div class="form-group">
                             <label class="col-sm-2 control-label"><apollorequiredfiled></apollorequiredfiled> 应用负责人</label>
                             <div class="col-sm-6">
-                                <div class="input-group">
-                                    <input type="text" class="form-control" name="appOwner" ng-model="app.ownerName" required>
-                                    <div class="input-group-addon" ng-bind="emailPostfix"></div>
-                                </div>
+                                <apollouserselector apollo-id="userSelectWidgetId"></apollouserselector>
                                 <small>(负责人具有项目管理的最高权限,比如分配配置的修改权,发布权等)</small>
                             </div>
                         </div>
diff --git a/apollo-portal/src/main/resources/static/namespace/role.html b/apollo-portal/src/main/resources/static/namespace/role.html
index 390308039c2..142ff3db73d 100644
--- a/apollo-portal/src/main/resources/static/namespace/role.html
+++ b/apollo-portal/src/main/resources/static/namespace/role.html
@@ -73,8 +73,8 @@ <h4 class="modal-title">权限管理<small>(AppId:<label ng-bind="pageContext.ap
                                 <button type="submit" class="btn btn-default" style="margin-left: 20px;">添加</button>
                             </form>
                             <!-- Split button -->
-                            <div style="margin-top: 15px;">
-                                <div class="btn-group" ng-repeat="user in rolesAssignedUsers.releaseRoleUsers">
+                            <div class="user-container">
+                                <div class="btn-group user-info" ng-repeat="user in rolesAssignedUsers.releaseRoleUsers">
                                     <button type="button" class="btn btn-default" ng-bind="user.userId"></button>
                                     <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown"
                                             aria-haspopup="true" aria-expanded="false" ng-click="removeUserRole('ReleaseNamespace', user.userId)">
diff --git a/apollo-portal/src/main/resources/static/scripts/controller/AppController.js b/apollo-portal/src/main/resources/static/scripts/controller/AppController.js
index c92ba8c8cad..6d6cc87a95f 100644
--- a/apollo-portal/src/main/resources/static/scripts/controller/AppController.js
+++ b/apollo-portal/src/main/resources/static/scripts/controller/AppController.js
@@ -26,7 +26,7 @@ create_app_module.controller('CreateAppController', ['$scope', '$window', 'toast
 
         });
 
-        $scope.emailPostfix = "@ctrip.com";
+        $scope.userSelectWidgetId = "userSelectWidgetId";
 
         $scope.create = function () {
             var selectedOrg = $('#organization').select2('data')[0];
@@ -38,7 +38,14 @@ create_app_module.controller('CreateAppController', ['$scope', '$window', 'toast
 
             $scope.app.orgId = selectedOrg.id;
             $scope.app.orgName = selectedOrg.name;
-            $scope.app.ownerEmail = $scope.app.ownerName + $scope.emailPostfix;
+
+            // ownerName
+            var user = $('.' + $scope.userSelectWidgetId).select2('data')[0];
+            if (!user){
+                toastr.warning("请输入应用负责人");
+                return;
+            }
+            $scope.app.ownerName = user.id;
 
             AppService.create($scope.app).then(function (result) {
                 toastr.success('添加成功!');
diff --git a/apollo-portal/src/main/resources/static/scripts/controller/role/AppRoleController.js b/apollo-portal/src/main/resources/static/scripts/controller/role/AppRoleController.js
index b2d8fb00c10..eacd1fee64d 100644
--- a/apollo-portal/src/main/resources/static/scripts/controller/role/AppRoleController.js
+++ b/apollo-portal/src/main/resources/static/scripts/controller/role/AppRoleController.js
@@ -36,6 +36,7 @@ role_module.controller('AppRoleController',
                                     .then(function (result) {
                                         toastr.success("添加成功");
                                         $scope.appRoleUsers.masterUsers.push({userId: toAssignMasterRoleUser});
+                                        $('.' + $scope.userSelectWidgetId).select2("val", "");
                                     }, function (result) {
                                         toastr.error(AppUtil.errorMsg(result), "添加失败");
                                     });
diff --git a/apollo-portal/src/main/resources/static/scripts/controller/role/NamespaceRoleController.js b/apollo-portal/src/main/resources/static/scripts/controller/role/NamespaceRoleController.js
index 12a54039066..66900fdf6c2 100644
--- a/apollo-portal/src/main/resources/static/scripts/controller/role/NamespaceRoleController.js
+++ b/apollo-portal/src/main/resources/static/scripts/controller/role/NamespaceRoleController.js
@@ -9,7 +9,7 @@ role_module.controller('NamespaceRoleController',
                                 appId: params.appid,
                                 namespaceName: params.namespaceName
                             };
-                            
+
                             $scope.releaseRoleWidgetId = 'releaseRoleWidgetId';
                             $scope.modifyRoleWidgetId = 'modifyRoleWidgetId';
 
@@ -24,16 +24,14 @@ role_module.controller('NamespaceRoleController',
                                                                        $scope.pageContext.namespaceName)
                                 .then(function (result) {
                                     $scope.rolesAssignedUsers = result;
-                                    console.log(result);
                                 }, function (result) {
                                     toastr.error(AppUtil.errorMsg(result), "加载授权用户出错");
                                 });
 
-
                             $scope.assignRoleToUser = function (roleType) {
                                 if ('ReleaseNamespace' == roleType) {
                                     var user = $('.' + $scope.releaseRoleWidgetId).select2('data')[0];
-                                    if (!user){
+                                    if (!user) {
                                         toastr.warning("请选择用户");
                                         return;
                                     }
@@ -45,12 +43,13 @@ role_module.controller('NamespaceRoleController',
                                             toastr.success("添加成功");
                                             $scope.rolesAssignedUsers.releaseRoleUsers.push(
                                                 {userId: toAssignReleaseNamespaceRoleUser});
+                                            $('.' + $scope.releaseRoleWidgetId).select2("val", "");
                                         }, function (result) {
                                             toastr.error(AppUtil.errorMsg(result), "添加失败");
                                         });
                                 } else {
                                     var user = $('.' + $scope.modifyRoleWidgetId).select2('data')[0];
-                                    if (!user){
+                                    if (!user) {
                                         toastr.warning("请选择用户");
                                         return;
                                     }
@@ -62,6 +61,7 @@ role_module.controller('NamespaceRoleController',
                                             toastr.success("添加成功");
                                             $scope.rolesAssignedUsers.modifyRoleUsers.push(
                                                 {userId: toAssignModifyNamespaceRoleUser});
+                                            $('.' + $scope.modifyRoleWidgetId).select2("val", "");
                                         }, function (result) {
                                             toastr.error(AppUtil.errorMsg(result), "添加失败");
                                         });
@@ -102,5 +102,5 @@ role_module.controller('NamespaceRoleController',
                                 }
                                 list.splice(index, 1);
                             }
-                            
+
                         }]);
diff --git a/apollo-portal/src/test/java/com/ctrip/framework/apollo/portal/ServiceExceptionTest.java b/apollo-portal/src/test/java/com/ctrip/framework/apollo/portal/ServiceExceptionTest.java
index ec7e4be4617..4425ef9a0b7 100644
--- a/apollo-portal/src/test/java/com/ctrip/framework/apollo/portal/ServiceExceptionTest.java
+++ b/apollo-portal/src/test/java/com/ctrip/framework/apollo/portal/ServiceExceptionTest.java
@@ -26,7 +26,7 @@
 import com.ctrip.framework.apollo.core.dto.AppDTO;
 import com.ctrip.framework.apollo.core.exception.ServiceException;
 import com.ctrip.framework.apollo.portal.controller.AppController;
-import com.ctrip.framework.apollo.portal.service.AppService;
+import com.ctrip.framework.apollo.portal.service.UserService;
 
 import com.google.gson.Gson;
 
@@ -35,12 +35,12 @@ public class ServiceExceptionTest extends AbstractPortalTest {
   @Autowired
   private AppController appController;
   @Mock
-  private AppService appService;
+  private UserService userService;
 
   @Before
   public void setUp() {
     MockitoAnnotations.initMocks(this);
-    ReflectionTestUtils.setField(appController, "appService", appService);
+    ReflectionTestUtils.setField(appController, "userService", userService);
   }
 
   private String getBaseAppUrl() {
@@ -61,7 +61,7 @@ public void testAdminServiceException() {
         new HttpServerErrorException(HttpStatus.INTERNAL_SERVER_ERROR, "admin server error",
             new Gson().toJson(errorAttributes).getBytes(), Charset.defaultCharset());
 
-    when(appService.create(any(App.class))).thenThrow(adminException);
+    when(userService.findByUserId(any(String.class))).thenThrow(adminException);
 
     App app = generateSampleApp();
     try {