首页-用户数量占比调整：给默认值

gic-platform-enterprise-web/src/main/java/com/gic/enterprise/web/controller/IndexModuleController.java

@@ -405,7 +405,7 @@ public class IndexModuleController {
         param.setEntId(enterpriseId);
         ServiceResponse<List<IndexChannelUserRateDTO>> listServiceResponse = this.memberDataApiService.listChannelData(param);
 
-        Map<Long, Integer> map = null;
+        Map<Long, Integer> map = new HashMap<>();
         if (listServiceResponse.isSuccess()) {
             List<IndexChannelUserRateDTO> list = listServiceResponse.getResult();
             map = list.stream().collect(Collectors.toMap(IndexChannelUserRateDTO::getAreaId, IndexChannelUserRateDTO::getMemberCount));