diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/controller/PartyMemberEventController.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/controller/PartyMemberEventController.java
index f8ff377..733e008 100644
--- a/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/controller/PartyMemberEventController.java
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/controller/PartyMemberEventController.java
@@ -103,7 +103,7 @@ public class PartyMemberEventController {
 
     @ApiOperation("党员列表模糊查询")
     @GetMapping("/partyMember/paramQuery")
-    public BaseResponse<List<EventPartyBranch>> getPartyMemberListByParam(@RequestParam(value = "belongBranch") String belongBranch, @RequestParam(value = "param") String param) {
+    public BaseResponse<List<EventPartyBranch>> getPartyMemberListByParam(@RequestParam(value = "belongBranch", required = false) String belongBranch, @RequestParam(value = "param") String param) {
         return BaseResponse.success(eventPartyBranchService.getPartyMemberListByParam(belongBranch, param));
     }
 }
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/service/impl/EventPartyBranchServiceImpl.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/service/impl/EventPartyBranchServiceImpl.java
index 2cc316e..4dad677 100644
--- a/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/service/impl/EventPartyBranchServiceImpl.java
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/partyMemberEvent/service/impl/EventPartyBranchServiceImpl.java
@@ -1,6 +1,7 @@
 package com.chinaunicom.mall.ebtp.extend.partyMemberEvent.service.impl;
 
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -78,9 +79,12 @@ public class EventPartyBranchServiceImpl extends ServiceImpl<EventPartyBranchMap
     @Override
     public List<EventPartyBranch> getPartyMemberListByParam(String belongBranch, String param) {
         LambdaQueryWrapper<EventPartyBranch> queryMember = Wrappers.lambdaQuery();
+        if (StrUtil.isNotBlank(belongBranch)) {
+            queryMember.eq(EventPartyBranch::getBelongBranch, belongBranch);
+        }
+
         queryMember.eq(EventPartyBranch::getType, "2")
                 .eq(EventPartyBranch::getStatus, "1")
-                .eq(EventPartyBranch::getBelongBranch, belongBranch)
                 .and(w -> w.like(EventPartyBranch::getContactName, param)
                         .or().like(EventPartyBranch::getContactMobiphone, param)
                         .or().like(EventPartyBranch::getContactEmail, param));