diff --git a/Application/Base/Tool/GameResource/YjlyClient.class.php b/Application/Base/Tool/GameResource/YjlyClient.class.php
index 39dc86212..09a78b89e 100644
--- a/Application/Base/Tool/GameResource/YjlyClient.class.php
+++ b/Application/Base/Tool/GameResource/YjlyClient.class.php
@@ -97,7 +97,11 @@ class YjlyClient
         $signFields = ['appId', 'serverId', 'roleId', 'userId', $apiBizFieldMap[$name], 'orderNum', 'time'];
         $signArray = [];
         foreach ($signFields as $field) {
-            $signArray[] = $params[$field];
+            $data = $params[$field];
+            if (is_array($data)) {
+                $data = json_encode($data);
+            }
+            $signArray[] = $data;
         }
         $signString = implode('', $signArray) . self::SIGN_KEY;
         $this->log('SignString ' . $signString);