fix(admin-user): replace fragile avatar url regex with robust validator

music-qianduan/src/views/admin/UserManagement.vue

@@ -29,6 +29,39 @@ const editForm = reactive({
   gender: 0,
   introduction: ''
 })
+const validateAvatar = (_rule, value, callback) => {
+  if (!value || !String(value).trim()) {
+    callback()
+    return
+  }
+
+  const avatar = String(value).trim()
+
+  // 兼容站内相对路径（如 /upload/xx、./xx、../xx、images/a.png）
+  const hasScheme = /^[a-zA-Z][a-zA-Z\d+\-.]*:/.test(avatar)
+  if (!hasScheme) {
+    const isRelativePath = /^(\/?[^\s]+)$/.test(avatar) && !avatar.startsWith('//')
+    if (isRelativePath) {
+      callback()
+      return
+    }
+    callback(new Error('请输入有效头像地址（http/https 或相对路径）'))
+    return
+  }
+
+  try {
+    const url = new URL(avatar)
+    if (url.protocol === 'http:' || url.protocol === 'https:') {
+      callback()
+      return
+    }
+  } catch (_e) {
+    // ignore
+  }
+
+  callback(new Error('请输入有效头像地址（http/https 或相对路径）'))
+}
+
 const editFormRules = {
   nickname: [
     { required: true, message: '请输入昵称', trigger: 'blur' },
@@ -38,7 +71,7 @@ const editFormRules = {
     { pattern: /^\S+@\S+\.\S+$/, message: '请输入正确的邮箱地址', trigger: 'blur' }
   ],
   avatar: [
-    { pattern: /^(https?:\/\/)?[\w\-]+(\.[\w\-]+)+([\w\-.,@?^=%&:/~+#]*[\w\-@?^=%&/~+#])?$/, message: '请输入正确的URL地址', trigger: 'blur' }
+    { validator: validateAvatar, trigger: 'blur' }
   ]
 }
 const editFormRef = ref(null)