diff --git a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/api/sys_info/SysInfo.java b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/api/sys_info/SysInfo.java
index bf29757..862d7da 100644
--- a/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/api/sys_info/SysInfo.java
+++ b/demo-system/demo-system-biz/src/main/java/com/yxt/demo/system/api/sys_info/SysInfo.java
@@ -13,8 +13,6 @@ import lombok.Data;
 public class SysInfo extends BaseEntity {
     private static final long serialVersionUID = -6222893927885655368L;
 
-    @ApiModelProperty("sid")
-    private String sid;
     @ApiModelProperty("用户sid")
     private String userSid;
     @ApiModelProperty("学号、工号")