diff --git a/db/im-platform.sql b/db/im-platform.sql
index 887006b..a32c6a2 100644
--- a/db/im-platform.sql
+++ b/db/im-platform.sql
@@ -104,5 +104,5 @@ CREATE TABLE `im_file_info` (
   `upload_time` datetime DEFAULT CURRENT_TIMESTAMP comment '上传时间',
   `is_permanent` tinyint DEFAULT 0 comment '是否永久文件',
   `md5` VARCHAR(64) NOT NULL comment '文件md5',
-  UNIQUE KEY `idx_md5` (md5),
+  UNIQUE KEY `idx_md5` (md5)
 ) ENGINE = InnoDB CHARSET = utf8mb4 comment '文件';
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