diff --git a/module/file/control.php b/module/file/control.php
index 5fcf453e04..0a679eefe6 100644
--- a/module/file/control.php
+++ b/module/file/control.php
@@ -299,7 +299,7 @@ class file extends control
         if(strpos($fileName, $extension) === false) $fileName .= $extension;
 
         /* urlencode the filename for ie. */
-        if(strpos($this->server->http_user_agent, 'MSIE') !== false or strpos($this->server->http_user_agent, 'Trident') !== false) $fileName = urlencode($fileName);
+        if(strpos($this->server->http_user_agent, 'MSIE') !== false or strpos($this->server->http_user_agent, 'Trident') !== false or strpos($this->server->http_user_agent, 'Edge') !== false) $fileName = urlencode($fileName);
 
         /* Judge the content type. */
         $mimes = $this->config->file->mimes;
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index 2377f1b0cc..d50e67aac3 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -918,6 +918,8 @@ class upgradeModel extends model
      */
     public function execSQL($sqlFile)
     {
+        if(!file_exists($sqlFile)) return false;
+
         $mysqlVersion = $this->loadModel('install')->getMysqlVersion();
         $ignoreCode   = '|1050|1060|1091|1061|';