diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/tasks/mr.vue b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/tasks/mr.vue
index 8fb2ebadfe433b24c6d9d1182288000e718308b4..d05c6983d6ac2def83c3e20a370b1bc609a9e4f4 100644
--- a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/tasks/mr.vue
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/tasks/mr.vue
@@ -78,7 +78,7 @@
     <m-list-box>
       <div slot="text">{{$t('Resources')}}</div>
       <div slot="content">
-        <treeselect v-model="resourceList" :multiple="true" :options="mainJarList" :normalizer="normalizer" :disabled="isDetails" :placeholder="$t('Please select resources')">
+        <treeselect  v-model="resourceList" :multiple="true" :options="mainJarList" :normalizer="normalizer" :disabled="isDetails" :value-consists-of="valueConsistsOf" :placeholder="$t('Please select resources')">
           <div slot="value-label" slot-scope="{ node }">{{ node.raw.fullName }}</div>
         </treeselect>
       </div>
diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/security/pages/users/_source/createUser.vue b/dolphinscheduler-ui/src/js/conf/home/pages/security/pages/users/_source/createUser.vue
index 866fb4e0e71e9e3f5d18c371864bb2da1aaf82d8..5f2a040e7b47993d633110f4d70dece1527fe7b3 100644
--- a/dolphinscheduler-ui/src/js/conf/home/pages/security/pages/users/_source/createUser.vue
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/security/pages/users/_source/createUser.vue
@@ -152,8 +152,13 @@
         let regPhone = /^1(3|4|5|6|7|8)\d{9}$/; // eslint-disable-line
 
         let regPassword = /^(?![0-9]+$)(?![a-z]+$)(?![A-Z]+$)(?![`~!@#$%^&*()_\-+=<>?:"{}|,.\/;'\\[\]·~！@#￥%……&*（）——\-+={}|《》？：“”【】、；‘’，。、]+$)[`~!@#$%^&*()_\-+=<>?:"{}|,.\/;'\\[\]·~！@#￥%……&*（）——\-+={}|《》？：“”【】、；‘’，。、0-9A-Za-z]{6,22}$/;
-
+        
+        let userNameLength = this.userName.length
         // user name
+        if (userNameLength<3) {
+          this.$message.warning(`${i18n.$t('Username length cannot be less than 3')}`)
+          return false
+        }
         if (!this.userName.replace(/\s*/g,"")) {
           this.$message.warning(`${i18n.$t('Please enter user name')}`)
           return false
diff --git a/dolphinscheduler-ui/src/js/module/i18n/locale/en_US.js b/dolphinscheduler-ui/src/js/module/i18n/locale/en_US.js
index aeba322855f52dececa5247f09a6471bebacd994..69f64006f79cb906eee6bb912c8728fa6183e699 100755
--- a/dolphinscheduler-ui/src/js/module/i18n/locale/en_US.js
+++ b/dolphinscheduler-ui/src/js/module/i18n/locale/en_US.js
@@ -594,5 +594,6 @@ export default {
   'Unauthorized or deleted resources': 'Unauthorized or deleted resources',
   'Please delete all non-existent resources': 'Please delete all non-existent resources',
   'The Worker group no longer exists, please select the correct Worker group!': 'The Worker group no longer exists, please select the correct Worker group!',
-  'Please confirm whether the workflow has been saved before downloading': 'Please confirm whether the workflow has been saved before downloading'
+  'Please confirm whether the workflow has been saved before downloading': 'Please confirm whether the workflow has been saved before downloading',
+  'Username length cannot be less than 3': 'Username length cannot be less than 3'
 }
diff --git a/dolphinscheduler-ui/src/js/module/i18n/locale/zh_CN.js b/dolphinscheduler-ui/src/js/module/i18n/locale/zh_CN.js
index 6567d38429baa8c8b31323c14cfe39b9cf806aca..ef842137b26deae716a9ecb4666a6a1bd6f34629 100755
--- a/dolphinscheduler-ui/src/js/module/i18n/locale/zh_CN.js
+++ b/dolphinscheduler-ui/src/js/module/i18n/locale/zh_CN.js
@@ -594,5 +594,6 @@ export default {
   'Unauthorized or deleted resources': '未授权或已删除资源',
   'Please delete all non-existent resources': '请删除所有未授权或已删除资源',
   'The Worker group no longer exists, please select the correct Worker group!': '该Worker分组已经不存在，请选择正确的Worker分组！',
-  'Please confirm whether the workflow has been saved before downloading': '下载前请确定工作流是否已保存'
+  'Please confirm whether the workflow has been saved before downloading': '下载前请确定工作流是否已保存',
+  'Username length cannot be less than 3': '用户名长度不能小于3'
 }