Update WxLongTimeJsonSerializer.java

修复错误的日期格式

Author: binarywang

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/util/json/WxLongTimeJsonSerializer.java

@@ -13,7 +13,7 @@
  */
 public class WxLongTimeJsonSerializer extends JsonSerializer<Long> {
   private static SimpleDateFormat DF = new SimpleDateFormat(
-      "yyyy-MM-dd hh:mm:ss");
+      "yyyy-MM-dd HH:mm:ss");
 
   @Override
   public void serialize(Long value, JsonGenerator gen,