Weenier 168otc项目部署 0630

app/Services/UsdtWalletService.php

@@ -68,11 +68,14 @@ class UsdtWalletService extends BaseService
 
     /**
      * 静态入口
-     * @return UsdtWalletService|null
+     * @return static|null
      */
     public static function make()
     {
-        return parent::make(); // TODO: Change the autogenerated stub
+        if (!self::$instance) {
+            self::$instance = (new static());
+        }
+        return self::$instance;
     }
 
     /**