diff --git a/src/pages/auth/loading.vue b/src/pages/auth/loading.vue
index 49242d0..9585ad6 100644
--- a/src/pages/auth/loading.vue
+++ b/src/pages/auth/loading.vue
@@ -37,6 +37,24 @@ export default {
       code = urlParams.get('code') || urlParams.get('auth_code') || '';
     }
 
+    // 解析 state 参数（OAuth 标准保证 state 原样回传，包含 action 和 device_id）
+    if (!this.action || !this.deviceId) {
+      const stateRaw = options.state || '';
+      if (stateRaw) {
+        try {
+          const stateObj = JSON.parse(decodeURIComponent(stateRaw));
+          if (!this.action && stateObj.action) {
+            this.action = stateObj.action;
+          }
+          if (!this.deviceId && stateObj.device_id) {
+            this.deviceId = stateObj.device_id;
+          }
+        } catch (_) {
+          // state 解析失败，继续用 localStorage 兜底
+        }
+      }
+    }
+
     // 兜底：从 localStorage 恢复（页面复用时 onLoad 不触发，localStorage 由跳转函数清理）
     if (!this.action) {
       this.action = localStorage.getItem('__auth_action') || '';