diff --git a/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/UserResiInfoDTO.java b/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/UserResiInfoDTO.java
index 3d81025a02..d8b5c10495 100644
--- a/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/UserResiInfoDTO.java
+++ b/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/UserResiInfoDTO.java
@@ -66,6 +66,11 @@ public class UserResiInfoDTO implements Serializable {
      */
 	private String name;
 
+	/**
+	 * 身份证号,1206新增
+	 */
+	private String idNum;
+
     /**
      * 街道
      */
diff --git a/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/InfoSubmitFromDTO.java b/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/InfoSubmitFromDTO.java
index 75453a1d22..d64368a7b4 100644
--- a/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/InfoSubmitFromDTO.java
+++ b/epmet-user/epmet-user-client/src/main/java/com/epmet/dto/form/InfoSubmitFromDTO.java
@@ -22,7 +22,6 @@ import org.hibernate.validator.constraints.Length;
 
 import javax.validation.constraints.NotBlank;
 import java.io.Serializable;
-import java.util.Date;
 
 
 /**
@@ -57,6 +56,11 @@ public class InfoSubmitFromDTO implements Serializable {
 	@Length(max=20,message = "名称不能超过20个字")
 	private String name;
 
+	//@NotBlank(message = "身份证号不能为空")
+	//@Length(max=18,message = "身份证号不能超过18位")
+	//别的小程序不统一升级，没办法限制必填。
+	private String idNum;
+
     /**
      * 街道
      */
diff --git a/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/UserResiInfoDao.java b/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/UserResiInfoDao.java
index 59d42dfc6e..997a615fab 100644
--- a/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/UserResiInfoDao.java
+++ b/epmet-user/epmet-user-server/src/main/java/com/epmet/dao/UserResiInfoDao.java
@@ -96,4 +96,11 @@ public interface UserResiInfoDao extends BaseDao<UserResiInfoEntity> {
 	 * @return void
 	 */
 	void updateByUserId(UserResiInfoEntity entity);
+
+	/**
+	 * 身份证
+	 * @param idNum
+	 * @return
+	 */
+    Integer selectCountByIdNum(@Param("idNum") String idNum,@Param("customerId") String customerId);
 }
diff --git a/epmet-user/epmet-user-server/src/main/java/com/epmet/entity/UserResiInfoEntity.java b/epmet-user/epmet-user-server/src/main/java/com/epmet/entity/UserResiInfoEntity.java
index 7c4266e3c7..7df10f75a6 100644
--- a/epmet-user/epmet-user-server/src/main/java/com/epmet/entity/UserResiInfoEntity.java
+++ b/epmet-user/epmet-user-server/src/main/java/com/epmet/entity/UserResiInfoEntity.java
@@ -20,13 +20,10 @@ package com.epmet.entity;
 import com.baomidou.mybatisplus.annotation.FieldFill;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableName;
-
 import com.epmet.commons.mybatis.entity.BaseEpmetEntity;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 
-import java.util.Date;
-
 /**
  * 用户居民端注册信息表  用户在居民端完善的个人信息
  *
@@ -60,6 +57,11 @@ public class UserResiInfoEntity extends BaseEpmetEntity {
      */
 	private String name;
 
+	/**
+	 * 身份证号,1206新增
+	 */
+	private String idNum;
+
     /**
      * 街道
      */
diff --git a/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/UserResiInfoServiceImpl.java b/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/UserResiInfoServiceImpl.java
index 2c58fe7b65..9da7ccac80 100644
--- a/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/UserResiInfoServiceImpl.java
+++ b/epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/UserResiInfoServiceImpl.java
@@ -27,6 +27,7 @@ import com.epmet.commons.tools.constant.FieldConstant;
 import com.epmet.commons.tools.constant.NumConstant;
 import com.epmet.commons.tools.constant.StrConstant;
 import com.epmet.commons.tools.exception.EpmetErrorCode;
+import com.epmet.commons.tools.exception.EpmetException;
 import com.epmet.commons.tools.exception.RenException;
 import com.epmet.commons.tools.page.PageData;
 import com.epmet.commons.tools.utils.ConvertUtils;
@@ -217,6 +218,12 @@ public class UserResiInfoServiceImpl extends BaseServiceImpl<UserResiInfoDao, Us
 			userResiRegisterVisitService.updateResiRegisterVisit(false, userResiInfoDTO);
 			return new Result().error(EpmetErrorCode.MOBILE_HAS_BEEN_USED.getCode());
 		}
+		//3、身份证号不为空时，判断当前客户下身份证号是否呀已经被使用
+		if (StringUtils.isNotBlank(userResiInfoDTO.getIdNum())) {
+			if (baseDao.selectCountByIdNum(userResiInfoDTO.getIdNum(), userResiInfoDTO.getCustomerId()) > NumConstant.ZERO) {
+				throw new EpmetException(EpmetErrorCode.SERVER_ERROR.getCode(), "user_resi_info已存在该身份证号", "身份证号已被使用");
+			}
+		}
 		userResiRegisterVisitService.updateResiRegisterVisit(true, userResiInfoDTO);
 		//4:居民注册关系表新增数据 首次注册数加一 注册数加一 参与数加一
 		registerRelationService.saveRegisterRelation(userResiInfoDTO);
diff --git a/epmet-user/epmet-user-server/src/main/resources/db/migration/V0.0.19__user_resi_infoaddidnum.sql b/epmet-user/epmet-user-server/src/main/resources/db/migration/V0.0.19__user_resi_infoaddidnum.sql
new file mode 100644
index 0000000000..535da1b138
--- /dev/null
+++ b/epmet-user/epmet-user-server/src/main/resources/db/migration/V0.0.19__user_resi_infoaddidnum.sql
@@ -0,0 +1 @@
+alter table user_resi_info add COLUMN ID_NUM VARCHAR(32) COMMENT '身份证号,1206新增' AFTER NAME;
diff --git a/epmet-user/epmet-user-server/src/main/resources/mapper/UserResiInfoDao.xml b/epmet-user/epmet-user-server/src/main/resources/mapper/UserResiInfoDao.xml
index fb360d3a39..0c4738a565 100644
--- a/epmet-user/epmet-user-server/src/main/resources/mapper/UserResiInfoDao.xml
+++ b/epmet-user/epmet-user-server/src/main/resources/mapper/UserResiInfoDao.xml
@@ -175,4 +175,15 @@
             uri.DEL_FLAG = '0'
             AND uri.USER_ID = #{userId}
     </select>
+
+    <select id="selectCountByIdNum" parameterType="map" resultType="java.lang.Integer">
+        SELECT
+            count(uri.id)
+        FROM
+            user_resi_info uri
+        WHERE
+            uri.DEL_FLAG = '0'
+            AND uri.id_num = #{idNum}
+            and uri.customer_id=#{customerId}
+    </select>
 </mapper>