diff --git a/src/components/vant/DictPicker.vue b/src/components/vant/DictPicker.vue
index 4e075b1..d83e66f 100644
--- a/src/components/vant/DictPicker.vue
+++ b/src/components/vant/DictPicker.vue
@@ -51,6 +51,10 @@ export default {
   methods: {
     // 打开下拉，并且获取下拉数据
     onOpen () {
+      // 如果是被禁用就不打开弹框
+      if (Object.hasOwnProperty.call(this.$attrs, 'disabled') && this.$attrs.disabled !== false) {
+        return
+      }
       this.show = true
       this.dictOptions = [
         { text: '请选择', value: undefined },
diff --git a/src/components/vant/SelectPicker.vue b/src/components/vant/SelectPicker.vue
index 73caf7b..9682176 100644
--- a/src/components/vant/SelectPicker.vue
+++ b/src/components/vant/SelectPicker.vue
@@ -81,6 +81,10 @@ export default {
   methods: {
     // 打开下拉，并且获取下拉数据
     onOpen () {
+      // 如果是被禁用就不打开弹框
+      if (Object.hasOwnProperty.call(this.$attrs, 'disabled') && this.$attrs.disabled !== false) {
+        return
+      }
       this.show = true
       this.options = [
         { [this.labelKey]: '请选择', [this.valueKey]: undefined },
diff --git a/src/main.js b/src/main.js
index 1d36132..2778a13 100644
--- a/src/main.js
+++ b/src/main.js
@@ -79,6 +79,7 @@ Viewer.setDefaults({
 })
 Vue.prototype.global = {
   emptyLine: '—',
+  adminUserList: ['admin', 'admin2', 'admin3'], // 默认的三个管理员用户名
   maxUploadFileSize: 1024 * 1024 * 20 // 上传文件最大20MB
 }
 SSO.init(() => {
diff --git a/src/views/mobile/mine/Mine.vue b/src/views/mobile/mine/Mine.vue
index a1a9302..ec9e46b 100644
--- a/src/views/mobile/mine/Mine.vue
+++ b/src/views/mobile/mine/Mine.vue
@@ -24,6 +24,7 @@
         <a-form-item label="用户类别">
           <dict-picker :triggerChange="true"
                        dictCode="user_type"
+                       :disabled="global.adminUserList.includes(model.username)"
                        v-decorator="['userType', validatorRules.userType]"
                        placeholder="请选择用户类别"/>
         </a-form-item>
@@ -64,6 +65,7 @@ export default {
         selecteddeparts: { rules: [{ required: true, message: '请选择所属单位' }], validateTrigger: 'change' },
         phone: { rules: [{ required: true, message: '请输入联系方式' }, { validator: this.validateMobile }], validateTrigger: 'blur' }
       },
+      model: {},
       // 部门下拉
       departList: [],
       fileList: []
diff --git a/src/views/systemOverview/systemSettings/SystemSettings.vue b/src/views/systemOverview/systemSettings/SystemSettings.vue
index 90addc3..aaefca8 100644
--- a/src/views/systemOverview/systemSettings/SystemSettings.vue
+++ b/src/views/systemOverview/systemSettings/SystemSettings.vue
@@ -409,8 +409,7 @@ export default {
     },
     // 是否是默认管理员账号，不可删除
     isDefaultAdmin ({ username }) {
-      const usernameArr = ['admin', 'admin2', 'admin3']
-      return usernameArr.includes(username)
+      return this.global.adminUserList.includes(username)
     },
     // 恢复默认配置
     handleResetSysSettingForm () {