diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/NamespaceController.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/NamespaceController.java
index f4ec46541775e0f05c6f00d4507dfb2c1952a502..baa8ef27008c08591ff20a15296aa76ce1364a36 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/NamespaceController.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/NamespaceController.java
@@ -1,5 +1,7 @@
 package com.ctrip.framework.apollo.portal.controller;
 
+import com.google.common.collect.Sets;
+
 import com.ctrip.framework.apollo.common.dto.NamespaceDTO;
 import com.ctrip.framework.apollo.common.entity.App;
 import com.ctrip.framework.apollo.common.entity.AppNamespace;
@@ -10,6 +12,7 @@ import com.ctrip.framework.apollo.core.enums.ConfigFileFormat;
 import com.ctrip.framework.apollo.core.enums.Env;
 import com.ctrip.framework.apollo.core.utils.StringUtils;
 import com.ctrip.framework.apollo.portal.auth.UserInfoHolder;
+import com.ctrip.framework.apollo.portal.constant.RoleType;
 import com.ctrip.framework.apollo.portal.entity.form.NamespaceCreationModel;
 import com.ctrip.framework.apollo.portal.entity.vo.NamespaceVO;
 import com.ctrip.framework.apollo.portal.listener.AppNamespaceCreationEvent;
@@ -17,6 +20,8 @@ import com.ctrip.framework.apollo.portal.service.AppNamespaceService;
 import com.ctrip.framework.apollo.portal.service.AppService;
 import com.ctrip.framework.apollo.portal.service.NamespaceService;
 import com.ctrip.framework.apollo.portal.service.RoleInitializationService;
+import com.ctrip.framework.apollo.portal.service.RolePermissionService;
+import com.ctrip.framework.apollo.portal.util.RoleUtils;
 import com.dianping.cat.Cat;
 
 import org.slf4j.Logger;
@@ -53,6 +58,8 @@ public class NamespaceController {
   private AppNamespaceService appNamespaceService;
   @Autowired
   private RoleInitializationService roleInitializationService;
+  @Autowired
+  private RolePermissionService rolePermissionService;
 
   @RequestMapping("/appnamespaces/public")
   public List<AppNamespace> findPublicAppNamespaces() {
@@ -67,9 +74,10 @@ public class NamespaceController {
     checkModel(!CollectionUtils.isEmpty(models));
     roleInitializationService.initNamespaceRoles(appId, models.get(0).getNamespace().getNamespaceName());
 
+    String namespaceName = null;
     for (NamespaceCreationModel model : models) {
       NamespaceDTO namespace = model.getNamespace();
-
+      namespaceName = namespace.getNamespaceName();
       RequestPrecondition
           .checkArgumentsNotEmpty(model.getEnv(), namespace.getAppId(), namespace.getClusterName(), namespace.getNamespaceName());
 
@@ -82,6 +90,14 @@ public class NamespaceController {
             String.format("create namespace fail. (env=%s namespace=%s)", model.getEnv(), namespace.getNamespaceName()), e);
       }
     }
+
+    //default assign modify、release namespace role to namespace creator
+    String loginUser = userInfoHolder.getUser().getUserId();
+    rolePermissionService.assignRoleToUsers(RoleUtils.buildNamespaceRoleName(appId, namespaceName, RoleType.MODIFY_NAMESPACE),
+                                            Sets.newHashSet(loginUser), loginUser);
+    rolePermissionService.assignRoleToUsers(RoleUtils.buildNamespaceRoleName(appId, namespaceName, RoleType.RELEASE_NAMESPACE),
+                                            Sets.newHashSet(loginUser), loginUser);
+
     return ResponseEntity.ok().build();
   }
 
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/RoleInitializationService.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/RoleInitializationService.java
index b79526791080b63f1ca39925e7cc9760c38798be..07af19ced29ba0b1fa5e555f92b593ff2ecaf008 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/RoleInitializationService.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/service/RoleInitializationService.java
@@ -8,6 +8,7 @@ import com.ctrip.framework.apollo.common.entity.App;
 import com.ctrip.framework.apollo.core.ConfigConsts;
 import com.ctrip.framework.apollo.portal.auth.UserInfoHolder;
 import com.ctrip.framework.apollo.portal.constant.PermissionType;
+import com.ctrip.framework.apollo.portal.constant.RoleType;
 import com.ctrip.framework.apollo.portal.entity.po.Permission;
 import com.ctrip.framework.apollo.portal.entity.po.Role;
 import com.ctrip.framework.apollo.portal.util.RoleUtils;
@@ -36,17 +37,23 @@ public class RoleInitializationService {
     if (rolePermissionService.findRoleByRoleName(appMasterRoleName) != null) {
       return;
     }
-    String operaterUserId = userInfoHolder.getUser().getUserId();
+    String operator = userInfoHolder.getUser().getUserId();
     //create app permissions
     createAppMasterRole(appId);
 
     //assign master role to user
     rolePermissionService
         .assignRoleToUsers(RoleUtils.buildAppMasterRoleName(appId), Sets.newHashSet(app.getOwnerName()),
-            operaterUserId);
+            operator);
 
     initNamespaceRoles(appId, ConfigConsts.NAMESPACE_APPLICATION);
 
+    //assign modify、release namespace role to user
+    rolePermissionService.assignRoleToUsers(RoleUtils.buildNamespaceRoleName(appId, ConfigConsts.NAMESPACE_APPLICATION, RoleType.MODIFY_NAMESPACE),
+                                            Sets.newHashSet(operator), operator);
+    rolePermissionService.assignRoleToUsers(RoleUtils.buildNamespaceRoleName(appId, ConfigConsts.NAMESPACE_APPLICATION, RoleType.RELEASE_NAMESPACE),
+                                            Sets.newHashSet(operator), operator);
+
   }
 
   @Transactional
diff --git a/apollo-portal/src/main/resources/static/styles/common-style.css b/apollo-portal/src/main/resources/static/styles/common-style.css
index b893ad2ee3b277ea22c610bace353341e4a10946..e1fa4f20e508282972d1f59fe6d8d7493b60a6f9 100644
--- a/apollo-portal/src/main/resources/static/styles/common-style.css
+++ b/apollo-portal/src/main/resources/static/styles/common-style.css
@@ -262,10 +262,6 @@ table th {
     font-size: 13px;
 }
 
-.config-item-container {
-    padding-top: 19px;
-}
-
 .config-item-container .panel {
     border-radius: 0;
 }