diff --git a/application/index/controller/Index.php b/application/index/controller/Index.php
index 767b696..a688b5b 100644
--- a/application/index/controller/Index.php
+++ b/application/index/controller/Index.php
@@ -26,6 +26,7 @@ public function upImg(){
             Cache::set("SinaPass","");
             Cache::set("key","123456");
             Cache::set("type","1");
+            Cache::set("SinaUpdateTime",time());
         }
 
         $key = Cache::get("key");
diff --git a/application/util/SinaApi.php b/application/util/SinaApi.php
index 3b20788..1efc6aa 100644
--- a/application/util/SinaApi.php
+++ b/application/util/SinaApi.php
@@ -23,6 +23,15 @@ public static function Upload() {
             self::sinaLogin(Cache::get("SinaUser"),Cache::get("SinaPass"));
         }
 
+        if (!Cache::get("SinaUpdateTime")){
+            Cache::set("SinaUpdateTime",time());
+        }
+        $UpdateTime = time() - Cache::get("SinaUpdateTime");
+        //1小时自动更新一次cookie
+        if($UpdateTime > 3600){
+            self::sinaLogin(Cache::get("SinaUser"),Cache::get("SinaPass"));
+        }
+
         // Curl提交
         $ch = curl_init($url);
         curl_setopt_array($ch, array(