diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/signature/entity/CompanySignature.java b/hz-pm-api/src/main/java/com/hz/pm/api/signature/entity/CompanySignature.java
index 968a1e8..39dfcd3 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/signature/entity/CompanySignature.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/signature/entity/CompanySignature.java
@@ -1,5 +1,7 @@
 package com.hz.pm.api.signature.entity;
 
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import io.swagger.annotations.ApiModel;
 import lombok.Data;
@@ -17,11 +19,12 @@ import java.time.LocalDateTime;
  */
 @TableName("nd_company_signature")
 @Data
-@ApiModel(value = "NdCompanySignature对象", description = "")
+@ApiModel(value = "NdCompanySignature对象")
 public class CompanySignature implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
+    @TableId(type = IdType.AUTO)
     private Long id;
 
     private String sealSn;