diff --git a/1741328446_create_table_speech_status.up.sql b/1741328446_create_table_speech_status.up.sql
index 5130ccc..2ac9234 100644
--- a/1741328446_create_table_speech_status.up.sql
+++ b/1741328446_create_table_speech_status.up.sql
@@ -2,8 +2,8 @@ CREATE TABLE `ufutx_dynamic_status`(
     `id` INT NOT NULL AUTO_INCREMENT , 
     `user_id` INT NOT NULL COMMENT "用户id",
     `tag` VARCHAR(50) NOT NULL COMMENT "标识",
-    `start_time` TIMESTAMP DEFAULT NULL COMMENT "开始时间",
-    `end_time` TIMESTAMP DEFAULT NULL COMMENT "结束时间",
+    `start_time` TIMESTAMP NULL DEFAULT NULL COMMENT "开始时间",
+    `end_time` TIMESTAMP NULL DEFAULT NULL COMMENT "结束时间",
     `created_at` TIMESTAMP NULL DEFAULT NULL , 
     `updated_at` TIMESTAMP NULL DEFAULT NULL , 
     PRIMARY KEY (`id`)