diff --git a/api/controllers/wxapp/material/Home.php b/api/controllers/wxapp/material/Home.php
index 5165e41e..aa35883f 100644
--- a/api/controllers/wxapp/material/Home.php
+++ b/api/controllers/wxapp/material/Home.php
@@ -364,7 +364,7 @@ class Home extends Wxapp
         if (!$ret) {
             throw new Hd_Exception('生成失败，稍后重试', API_CODE_FAIL);
         }
-        $data = array('url' => $ret['url']);
+        $data = array('url' => $ret['url'].'?v=1');
         return $data;
     }
 
diff --git a/api/libraries/Hdwechat.php b/api/libraries/Hdwechat.php
index e058a2b9..6ed4b342 100755
--- a/api/libraries/Hdwechat.php
+++ b/api/libraries/Hdwechat.php
@@ -142,7 +142,15 @@ class Hdwechat
         }
         $CI = &get_instance();
         $CI->load->library('qiniu');
+        $info = $CI->qiniu->getInfo("{$filename}.png");
+        if($info && $info['putTime']){
+            $put_time = substr($info['putTime'],0,10);
+            if($put_time<strtotime('2023-02-08 17:35:30')){ //2023-02-08重新上传
+                $CI->qiniu->rm("{$filename}.png");
+            }
+        }
         $ret= $CI->qiniu->save("{$filename}.png", $res);
+
         return $ret;
     }
 
diff --git a/common/libraries/Qiniu.php b/common/libraries/Qiniu.php
index a5c99925..a4f12ef5 100755
--- a/common/libraries/Qiniu.php
+++ b/common/libraries/Qiniu.php
@@ -194,6 +194,7 @@ class Qiniu{
     public function getInfo($filename){
         $auth = new \Qiniu\Auth($this->config['access_key'], $this->config['secret_key']);
         $bucketMgr = new \Qiniu\Storage\BucketManager($auth);
+        $filename = $this->config['attch'].$filename;
         list($fileInfo, $err) = $bucketMgr->stat($this->config['bucket'], $filename);
         if ($err) {
             debug_log("七牛云获取文件信息失败, " . $err->message(). "; filename={$filename}");