feat(user):userName 请输入16位内字母或数字组合

src/view/users-add.vue

@@ -72,7 +72,7 @@ const rules = reactive<FormRules>({
   ],
   userName: [
     { required: true, message: "请输入账号", trigger: "blur" },
-    { required: true, pattern: /^[A-Za-z0-9]{1,15}$/, message: "请输入字母或数字组合", trigger: "blur" },
+    { required: true, pattern: /^[A-Za-z0-9]{1,15}$/, message: "请输入16位内字母或数字组合", trigger: "blur" },
   ],
   password: [
     { required: true, pattern: /^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,16}$/, message: "请输入8-16位数字、字母大小写组合", trigger: "blur" },