diff --git a/sql/20210517-zhangsai.sql b/sql/20210517-zhangsai.sql
new file mode 100644
index 000000000..7c674d5a4
--- /dev/null
+++ b/sql/20210517-zhangsai.sql
@@ -0,0 +1,20 @@
+CREATE TABLE `file` (
+  `id` bigint(20) NOT NULL AUTO_INCREMENT,
+  `file_name` varchar(255) NOT NULL,
+  `file_path` varchar(255) NOT NULL,
+  `file_type` varchar(255) NOT NULL,
+  `create_time` datetime NOT NULL ON UPDATE CURRENT_TIMESTAMP,
+  `creator` bigint(20) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC;
+
+CREATE TABLE `file_binding` (
+  `id` bigint(20) NOT NULL AUTO_INCREMENT,
+  `file_id` bigint(20) NOT NULL,
+  `map_id` bigint(20) NOT NULL,
+  `device_types` varchar(255) DEFAULT NULL,
+  `device_ids` varchar(10000) DEFAULT NULL,
+  `creator` bigint(20) NOT NULL,
+  `create_time` datetime NOT NULL ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
diff --git a/src/main/java/club/joylink/rtss/vo/client/file/FileBindingVO.java b/src/main/java/club/joylink/rtss/vo/client/file/FileBindingVO.java
index bd569506c..780421400 100644
--- a/src/main/java/club/joylink/rtss/vo/client/file/FileBindingVO.java
+++ b/src/main/java/club/joylink/rtss/vo/client/file/FileBindingVO.java
@@ -21,7 +21,6 @@ import java.util.List;
 @NoArgsConstructor
 public class FileBindingVO {
     @JsonSerialize(using = ToStringSerializer.class)
-    @NotNull(message = "id不能为空")
     private Long id;
 
     @NotNull(message = "文件id不能为null")