diff --git a/packages/system-client/src/views/application/index.vue b/packages/system-client/src/views/application/index.vue
index 78f64c70f2..3076ce95ca 100644
--- a/packages/system-client/src/views/application/index.vue
+++ b/packages/system-client/src/views/application/index.vue
@@ -43,7 +43,7 @@
             {{ getRuntimeMemory(scope.row) }} M
           </template>
         </el-table-column>
-        <el-table-column label="服务启停" align="center" width="200" class-name="small-padding">
+        <el-table-column label="服务启停" align="center" width="300" class-name="small-padding">
           <template slot-scope="{row}">
             <el-button v-if="row.status !== 'running'" :loading="serviceLoading" plain type="success" size="mini" @click="startApp(row)">
               启动
@@ -63,17 +63,17 @@
             </el-tooltip>
           </template>
         </el-table-column>
-        <el-table-column label="创建时间" align="center" min-width="100">
+        <el-table-column label="创建时间" align="center" min-width="120">
           <template slot-scope="{row}">
             <span v-if="row.created_at">{{ row.created_at | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
             <span v-else>-</span>
           </template>
         </el-table-column>
-        <el-table-column fixed="right" label="操作" align="center" width="300" class-name="small-padding">
+        <el-table-column fixed="right" label="操作" align="center" width="280" class-name="small-padding">
           <template slot-scope="{row}">
             <el-tooltip :content="row.status !== 'running' ? '请在开发前启动服务！' : '编写云函数、查看日志、管理数据库、文件、成员协作等'" effect="light" placement="top">
               <el-button type="success" size="mini" :disabled="row.status !== 'running'" @click="toDetail(row)">
-                开发管理
+                开发
               </el-button>
             </el-tooltip>
             <el-button type="default" size="mini" @click="exportApp(row)">
@@ -127,7 +127,7 @@
             {{ getRuntimeMemory(scope.row) }} M
           </template>
         </el-table-column>
-        <el-table-column label="服务启停" align="center" width="200" class-name="small-padding">
+        <el-table-column label="服务启停" align="center" width="300" class-name="small-padding">
           <template slot-scope="{row}">
             <el-button v-if="row.status !== 'running'" :loading="serviceLoading" plain type="success" size="mini" @click="startApp(row)">
               启动
@@ -147,17 +147,17 @@
             </el-tooltip>
           </template>
         </el-table-column>
-        <el-table-column label="创建时间" align="center" min-width="100">
+        <el-table-column label="创建时间" align="center" min-width="120">
           <template slot-scope="{row}">
             <span v-if="row.created_at">{{ row.created_at | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
             <span v-else>-</span>
           </template>
         </el-table-column>
-        <el-table-column fixed="right" label="操作" align="center" width="300" class-name="small-padding">
+        <el-table-column fixed="right" label="操作" align="center" width="280" class-name="small-padding">
           <template slot-scope="{row}">
             <el-tooltip :content="row.status !== 'running' ? '请在开发前启动服务！' : '编写云函数、查看日志、管理数据库、文件、成员协作等'" effect="light" placement="top">
               <el-button type="success" size="mini" :disabled="row.status !== 'running'" @click="toDetail(row)">
-                开发管理
+                开发
               </el-button>
             </el-tooltip>
             <el-button type="default" size="mini" @click="exportApp(row)">
diff --git a/packages/system-client/src/views/cloudfunction/logs.vue b/packages/system-client/src/views/cloudfunction/logs.vue
index 0bea0a64d2..038dd7cf6d 100644
--- a/packages/system-client/src/views/cloudfunction/logs.vue
+++ b/packages/system-client/src/views/cloudfunction/logs.vue
@@ -25,12 +25,12 @@
       highlight-current-row
       style="width: 100%;"
     >
-      <el-table-column label="RequestId" prop="id" align="center" width="240">
+      <el-table-column label="RequestId" prop="id" align="center" width="260">
         <template slot-scope="{row}">
           <span>{{ row.requestId }}</span>
         </template>
       </el-table-column>
-      <el-table-column label="函数名" width="160" align="center">
+      <el-table-column label="函数名" min-width="200" align="center">
         <template slot-scope="{row}">
           <el-tag type="primary">{{ row.func_name }}</el-tag>
         </template>
@@ -40,7 +40,7 @@
           <span class="link-type">{{ row.func_id }}</span>
         </template>
       </el-table-column>
-      <el-table-column label="执行用时" min-width="100" align="center">
+      <el-table-column label="执行用时" width="100" align="center">
         <template slot-scope="{row}">
           <span v-if="row.time_usage" class="link-type">{{ row.time_usage }}ms</span>
           <span v-else>-</span>
@@ -52,11 +52,11 @@
           <span v-else>-</span>
         </template>
       </el-table-column>
-      <el-table-column label="调用者ID" class-name="status-col" width="240">
+      <!-- <el-table-column label="调用者ID" class-name="status-col" width="240">
         <template slot-scope="{row}">
           {{ row.created_by || '-' }}
         </template>
-      </el-table-column>
+      </el-table-column> -->
       <el-table-column label="操作" align="center" width="80" class-name="small-padding fixed-width">
         <template slot-scope="{row}">
           <el-button type="info" size="mini" @click="handleShowDetail(row)">
diff --git a/packages/system-server/src/api/application.ts b/packages/system-server/src/api/application.ts
index ef139f28ce..3f49d9c73e 100644
--- a/packages/system-server/src/api/application.ts
+++ b/packages/system-server/src/api/application.ts
@@ -1,7 +1,7 @@
 /*
  * @Author: Maslow<wangfugen@126.com>
  * @Date: 2021-08-28 22:00:45
- * @LastEditTime: 2021-12-07 09:48:05
+ * @LastEditTime: 2021-12-07 13:50:40
  * @Description: Application APIs
  */
 
@@ -56,8 +56,8 @@ export interface ApplicationStruct {
     roles: string[]
     created_at: number
   }[]
-  created_at?: number
-  updated_at?: number
+  created_at?: Date
+  updated_at?: Date
 }
 
 /**
diff --git a/packages/system-server/src/router/account/edit.ts b/packages/system-server/src/router/account/edit.ts
index e7adf9e222..72d9b1de96 100644
--- a/packages/system-server/src/router/account/edit.ts
+++ b/packages/system-server/src/router/account/edit.ts
@@ -1,7 +1,7 @@
 /*
  * @Author: Maslow<wangfugen@126.com>
  * @Date: 2021-07-30 10:30:29
- * @LastEditTime: 2021-10-08 01:00:56
+ * @LastEditTime: 2021-12-07 13:54:45
  * @Description: 
  */
 
@@ -33,7 +33,7 @@ export async function handleEdit(req: Request, res: Response) {
 
   // update account
   const data = {
-    updated_at: Date.now()
+    updated_at: new Date()
   }
 
   // update avatar if provided
diff --git a/packages/system-server/src/router/account/signup.ts b/packages/system-server/src/router/account/signup.ts
index 27bd2aa181..b29aa72f2b 100644
--- a/packages/system-server/src/router/account/signup.ts
+++ b/packages/system-server/src/router/account/signup.ts
@@ -1,7 +1,7 @@
 /*
  * @Author: Maslow<wangfugen@126.com>
  * @Date: 2021-07-30 10:30:29
- * @LastEditTime: 2021-10-08 01:02:45
+ * @LastEditTime: 2021-12-07 13:54:20
  * @Description: 
  */
 
@@ -43,8 +43,8 @@ export async function handleSignUp(req: Request, res: Response) {
       },
       name: name,
       password: hashPassword(password),
-      created_at: Date.now(),
-      updated_at: Date.now()
+      created_at: new Date(),
+      updated_at: new Date()
     })
 
   return res.send({
diff --git a/packages/system-server/src/router/application/create.ts b/packages/system-server/src/router/application/create.ts
index 738c832b88..272f6d6cb5 100644
--- a/packages/system-server/src/router/application/create.ts
+++ b/packages/system-server/src/router/application/create.ts
@@ -1,12 +1,13 @@
 /*
  * @Author: Maslow<wangfugen@126.com>
  * @Date: 2021-08-31 15:00:04
- * @LastEditTime: 2021-11-17 18:17:46
+ * @LastEditTime: 2021-12-07 13:57:21
  * @Description: 
  */
 
 import * as assert from 'assert'
 import { Request, Response } from 'express'
+import { ObjectId } from 'mongodb'
 import { getAccountById } from '../../api/account'
 import { ApplicationStruct, createApplicationDb, generateAppid, getApplicationByAppid, getMyApplications } from '../../api/application'
 import Config from '../../config'
@@ -43,10 +44,10 @@ export async function handleCreateApplication(req: Request, res: Response) {
   const db_user = db_name
   const db_password = generatePassword(32, true, false)
 
-  const now = Date.now()
+  const now = new Date()
   const data: ApplicationStruct = {
     name: app_name,
-    created_by: uid,
+    created_by: new ObjectId(uid),
     appid: appid,
     status: 'created',
     collaborators: [],
diff --git a/packages/system-server/src/router/application/update.ts b/packages/system-server/src/router/application/update.ts
index 141555f270..78435cc1e7 100644
--- a/packages/system-server/src/router/application/update.ts
+++ b/packages/system-server/src/router/application/update.ts
@@ -1,12 +1,12 @@
 /*
  * @Author: Maslow<wangfugen@126.com>
  * @Date: 2021-08-31 15:00:04
- * @LastEditTime: 2021-10-08 01:30:06
+ * @LastEditTime: 2021-12-07 13:55:45
  * @Description: 
  */
 
 import { Request, Response } from 'express'
-import { getApplicationByAppid } from '../../api/application'
+import { ApplicationStruct, getApplicationByAppid } from '../../api/application'
 import { checkPermission } from '../../api/permission'
 import { Constants } from '../../constants'
 import { DatabaseAgent } from '../../lib/db-agent'
@@ -35,10 +35,15 @@ export async function handleUpdateApplication(req: Request, res: Response) {
   const body = req.body
   if (!body.name) return res.status(422).send('name cannot be empty')
 
-  const ret = await db.collection(Constants.cn.applications)
+  const ret = await db.collection<ApplicationStruct>(Constants.cn.applications)
     .updateOne(
       { appid: app.appid },
-      { $set: { name: body.name } }
+      {
+        $set: {
+          name: body.name,
+          updated_at: new Date()
+        }
+      }
     )
 
   return res.send({
diff --git a/packages/system-server/src/router/policy/create.ts b/packages/system-server/src/router/policy/create.ts
index d1581ac97b..b977aaa53a 100644
--- a/packages/system-server/src/router/policy/create.ts
+++ b/packages/system-server/src/router/policy/create.ts
@@ -1,11 +1,12 @@
 /*
  * @Author: Maslow<wangfugen@126.com>
  * @Date: 2021-09-03 23:19:36
- * @LastEditTime: 2021-10-08 01:45:27
+ * @LastEditTime: 2021-12-07 13:37:40
  * @Description: 
  */
 
 import { Request, Response } from 'express'
+import { ObjectId } from 'mongodb'
 import { ApplicationStruct } from '../../api/application'
 import { checkPermission } from '../../api/permission'
 import { Constants } from '../../constants'
@@ -50,7 +51,7 @@ export async function handleCreatePolicy(req: Request, res: Response) {
     hash: hashFunctionCode(JSON.stringify(body.rules)),
     created_at: Date.now(),
     updated_at: Date.now(),
-    created_by: uid,
+    created_by: new ObjectId(uid),
     appid: app.appid
   }