Merge branch 'develop' into 'master'

common/service/exchange/Ljz.php

@@ -14,7 +14,7 @@ class Ljz extends Exchange implements ExchangeInterface
 {
     protected $supported_symbol = 'supported_symbol_ljz';
     protected $quotation_prefix = 'quotation_ljz_';
-    protected $base_url = 'http://api.ydqkl.com.cn/market/overview';
+    protected $base_url = 'http://ydapi.hxtcy.net/market/overview';
 
     public function symbolExists($tag = 'GHT', $aim = "CNYD")
     {