diff --git a/platform-msg-generate/src/main/java/com/lyms/platform/msg/utils/DateUtils.java b/platform-msg-generate/src/main/java/com/lyms/platform/msg/utils/DateUtils.java
index db39ad4..9f5854b 100644
--- a/platform-msg-generate/src/main/java/com/lyms/platform/msg/utils/DateUtils.java
+++ b/platform-msg-generate/src/main/java/com/lyms/platform/msg/utils/DateUtils.java
@@ -59,9 +59,9 @@ public class DateUtils {
      */
     public static String getDateStr(Date date,String format)
     {
+        lock.lock();
         try
         {
-            lock.lock();
             dateFormat.applyPattern(format);
             return dateFormat.format(date);
         }
@@ -97,8 +97,8 @@ public class DateUtils {
      */
     public static Date formatDate(Date date,String format)
     {
+        lock.lock();
         try {
-            lock.lock();
             dateFormat.applyPattern(format);
             String time  =dateFormat.format(date);
             return dateFormat.parse(time);
@@ -121,9 +121,10 @@ public class DateUtils {
      */
     public static Date preaseDate(String dateStr,String format)
     {
+
+        lock.lock();
         try
         {
-            lock.lock();
             dateFormat.applyPattern(format);
             return dateFormat.parse(dateStr);
         } catch (ParseException e) {