diff --git a/epdc-cloud-property/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActivityInfoServiceImpl.java b/epdc-cloud-property/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActivityInfoServiceImpl.java
index 8f732ec..0be9bb9 100644
--- a/epdc-cloud-property/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActivityInfoServiceImpl.java
+++ b/epdc-cloud-property/src/main/java/com/elink/esua/epdc/modules/activity/service/impl/ActivityInfoServiceImpl.java
@@ -22,6 +22,7 @@ import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.elink.esua.epdc.commons.mybatis.service.impl.BaseServiceImpl;
 import com.elink.esua.epdc.commons.tools.constant.FieldConstant;
 import com.elink.esua.epdc.commons.tools.constant.NumConstant;
+import com.elink.esua.epdc.commons.tools.enums.YesOrNoEnum;
 import com.elink.esua.epdc.commons.tools.page.PageData;
 import com.elink.esua.epdc.commons.tools.utils.ConvertUtils;
 import com.elink.esua.epdc.dto.activity.ActivityInfoDTO;
@@ -140,7 +141,7 @@ public class ActivityInfoServiceImpl extends BaseServiceImpl<ActivityInfoDao, Ac
     private String isParticipate(String activityId, String userId) {
         // 查询当前用户是否参与活动
         ActivityParticipantEntity entity = activityParticipantDao.selectParticipant(activityId, userId);
-        return entity != null ? NumConstant.ZERO_STR : NumConstant.ONE_STR;
+        return entity == null ? YesOrNoEnum.NO.value() : YesOrNoEnum.YES.value();
     }
 
 }
\ No newline at end of file
diff --git a/epdc-cloud-property/src/main/resources/mapper/activity/ActivityInfoDao.xml b/epdc-cloud-property/src/main/resources/mapper/activity/ActivityInfoDao.xml
index d92dbcf..ecd26f7 100644
--- a/epdc-cloud-property/src/main/resources/mapper/activity/ActivityInfoDao.xml
+++ b/epdc-cloud-property/src/main/resources/mapper/activity/ActivityInfoDao.xml
@@ -3,40 +3,6 @@
 
 <mapper namespace="com.elink.esua.epdc.modules.activity.dao.ActivityInfoDao">
 
-    <resultMap type="com.elink.esua.epdc.modules.activity.entity.ActivityInfoEntity" id="activityInfoMap">
-        <result property="id" column="ID"/>
-        <result property="title" column="TITLE"/>
-        <result property="headPic" column="HEAD_PIC"/>
-        <result property="sectionCode" column="SECTION_CODE"/>
-        <result property="categoryCode" column="CATEGORY_CODE"/>
-        <result property="categoryName" column="CATEGORY_NAME"/>
-        <result property="signUpStartTime" column="SIGN_UP_START_TIME"/>
-        <result property="signUpEndTime" column="SIGN_UP_END_TIME"/>
-        <result property="actStartTime" column="ACT_START_TIME"/>
-        <result property="actEndTime" column="ACT_END_TIME"/>
-        <result property="actAddress" column="ACT_ADDRESS"/>
-        <result property="actLongitude" column="ACT_LONGITUDE"/>
-        <result property="actLatitude" column="ACT_LATITUDE"/>
-        <result property="actQuotaFlag" column="ACT_QUOTA_FLAG"/>
-        <result property="actQuota" column="ACT_QUOTA"/>
-        <result property="signUpNum" column="SIGNUP_NUM"/>
-        <result property="contacts" column="CONTACTS"/>
-        <result property="tel" column="TEL"/>
-        <result property="requirement" column="REQUIREMENT"/>
-        <result property="actContent" column="ACT_CONTENT"/>
-        <result property="actStatus" column="ACT_STATUS"/>
-        <result property="cancelReason" column="CANCEL_REASON"/>
-        <result property="publishTime" column="PUBLISH_TIME"/>
-        <result property="sponsor" column="SPONSOR"/>
-        <result property="deptId" column="DEPT_ID"/>
-        <result property="revision" column="REVISION"/>
-        <result property="createdBy" column="CREATED_BY"/>
-        <result property="createdTime" column="CREATED_TIME"/>
-        <result property="updatedBy" column="UPDATED_BY"/>
-        <result property="updatedTime" column="UPDATED_TIME"/>
-        <result property="delFlag" column="DEL_FLAG"/>
-    </resultMap>
-
     <sql id="Base_Column_List">
         ID,	TITLE,	HEAD_PIC,	SECTION_CODE,	CATEGORY_CODE,	CATEGORY_NAME,	SIGN_UP_START_TIME,
 	SIGN_UP_END_TIME,	ACT_START_TIME,	ACT_END_TIME,	ACT_ADDRESS,	ACT_LONGITUDE,	ACT_LATITUDE,
@@ -77,7 +43,7 @@
             a.ACT_QUOTA_FLAG,
             a.ACT_QUOTA,
             a.SIGN_UP_NUM,
-            ( CASE WHEN p.id IS NULL THEN '1' ELSE '0' END ) AS SIGN_UP_FLAG
+            ( CASE WHEN p.id IS NULL THEN '0' ELSE '1' END ) AS SIGN_UP_FLAG
         FROM
             epdc_activity_info a
             LEFT JOIN epdc_section_category s ON a.CATEGORY_CODE = s. CODE