diff --git a/src/handler/proxyhandler.go b/src/handler/proxyhandler.go
index a9c9d21e250e0b2f3441ab81bd7d9f6eedee73ee..bffd39c0885c1e5317948770070e6ebe1ac50ae4 100644
--- a/src/handler/proxyhandler.go
+++ b/src/handler/proxyhandler.go
@@ -165,7 +165,7 @@ func Proxy(c *gin.Context) {
 			reqURL.RawQuery = c.Request.URL.RawQuery
 		} else {
 			if c.Request.URL.RawQuery != "" {
-				reqURL.RawQuery = "&" + c.Request.URL.RawQuery
+				reqURL.RawQuery += "&" + c.Request.URL.RawQuery
 			}
 		}