Merge remote-tracking branch 'origin/release/5.1' into release/5.1

@@ -17,7 +17,8 @@ var nowTime = 0;
 
 var startTime = 0;
 
-var endTime = 0;
+var endTime = 0,
+    diffTime = 0;// 误差时间
 
 var dateText = 0,
     newDate = 0,
@@ -183,7 +184,11 @@ $(
 
                     endTime = data.endTime;
 
-                    nowTime = Date.parse(new Date()) / 1000;
+                    diffTime = data.currentTime;
+
+                    // nowTime = Date.parse(new Date()) / 1000;
+
+                    nowTime = diffTime;// 使用请求服务器时间作为当前时间
 
                     if (startTime > nowTime) {
                         offsetTime = startTime - nowTime;