sssssscwwwwqqxxxssswwwwewqefsda

@@ -31,7 +31,7 @@ class Db {
 
         try {
             // 判断是否链接中
-            if($this->client->getAttribute(\PDO::ATTR_CONNECTION_STATUS)===false){
+            if($this->client->getAttribute(\PDO::ATTR_CONNECTION_STATUS)===null){
                 $this->connect();
             }
         }catch (\Throwable $e){