diff --git a/src/JPush/core/PushPayload.php b/src/JPush/core/PushPayload.php
index 7bd1a72..d7f659b 100644
--- a/src/JPush/core/PushPayload.php
+++ b/src/JPush/core/PushPayload.php
@@ -4,7 +4,7 @@ class PushPayload {
     private static $EFFECTIVE_DEVICE_TYPES = array('ios', 'android', 'winphone');
     private static $LIMIT_KEYS = array('X-Rate-Limit-Limit'=>'rateLimitLimit', 'X-Rate-Limit-Remaining'=>'rateLimitRemaining', 'X-Rate-Limit-Reset'=>'rateLimitReset');
     const PUSH_URL = 'https://api.jpush.cn/v3/push';
-    const PUSH_VALIDATE_URL = ' https://api.jpush.cn/v3/push/validate';
+    const PUSH_VALIDATE_URL = 'https://api.jpush.cn/v3/push/validate';
     private $client;
     private $platform;