diff --git a/dq-framework-utils/src/main/java/com/daqing/framework/utils/SnowflakeIdUtils.java b/dq-framework-utils/src/main/java/com/daqing/framework/utils/SnowflakeIdUtils.java
index ff508518..8b0fe802 100644
--- a/dq-framework-utils/src/main/java/com/daqing/framework/utils/SnowflakeIdUtils.java
+++ b/dq-framework-utils/src/main/java/com/daqing/framework/utils/SnowflakeIdUtils.java
@@ -4,9 +4,10 @@ import java.util.HashSet;
 import java.util.Set;
 
 /**
- * @Author：JCccc
- * @Description：
+ * @Author： JCccc
+ * @Description： 雪花算法生成id工具类
  * @Date： created in 15:31 2019/6/12
+ * @Modified By: gongsj. 修改为单例模式 modified in 11:50 2020/09/09
  */
 public class SnowflakeIdUtils {
     // ==============================Fields===========================================
@@ -174,27 +175,27 @@ public class SnowflakeIdUtils {
         return SnowflakeIdUtils.getInstance().nextId();
     }
 
-    public static void main(String[] args) {
-
-        SnowflakeIdUtils snowflakeIdUtils = SnowflakeIdUtils.getInstance();
-
-//        for (int i = 0; i < 20; i++) {
-//            System.out.println(snowflakeIdUtils.nextId());
-//        }
-//        System.out.println("-+-+-+-+-+-+-+-+-+-+-+-+-+-");
-//        for (int i = 0; i < 20; i++) {
-//            System.out.println(SnowflakeIdUtils.getInstance().nextId());
-//        }
-//        Set<Long> set2 = new HashSet<>();
+//    public static void main(String[] args) {
+//
+//        SnowflakeIdUtils snowflakeIdUtils = SnowflakeIdUtils.getInstance();
+//
+////        for (int i = 0; i < 20; i++) {
+////            System.out.println(snowflakeIdUtils.nextId());
+////        }
+////        System.out.println("-+-+-+-+-+-+-+-+-+-+-+-+-+-");
+////        for (int i = 0; i < 20; i++) {
+////            System.out.println(SnowflakeIdUtils.getInstance().nextId());
+////        }
+////        Set<Long> set2 = new HashSet<>();
+////        for (int i = 0; i < 1000000; i++) {
+////            set2.add(snowflakeIdUtils.nextId());
+////        }
+////        System.out.println(set2.size());
+////
+//        Set<Long> set = new HashSet<>();
 //        for (int i = 0; i < 1000000; i++) {
-//            set2.add(snowflakeIdUtils.nextId());
+//            set.add(SnowflakeIdUtils.getRandomid());
 //        }
-//        System.out.println(set2.size());
-//
-        Set<Long> set = new HashSet<>();
-        for (int i = 0; i < 1000000; i++) {
-            set.add(SnowflakeIdUtils.getRandomid());
-        }
-        System.out.println(set.size());
-    }
+//        System.out.println(set.size());
+//    }
 }
\ No newline at end of file