修复bug

src/views/common/account-list.vue

@@ -480,7 +480,12 @@
   const accountRules = reactive<FormRules>({
     username: [
       { required: true, message: '请输入用户名', trigger: 'blur' },
-      { min: 2, max: 50, message: '长度在 2 到 50 个字符', trigger: 'blur' }
+      { min: 2, max: 50, message: '长度在 2 到 50 个字符', trigger: 'blur' },
+      {
+        pattern: /^[a-zA-Z0-9_-]+$/,
+        message: '用户名只能包含字母、数字、下划线和横线',
+        trigger: 'blur'
+      }
     ],
     password: [
       { required: true, message: '请输入密码', trigger: 'blur' },