diff --git a/epmet-module/resi-group/resi-group-server/src/main/java/com/epmet/modules/act/service/impl/GroupActInfoServiceImpl.java b/epmet-module/resi-group/resi-group-server/src/main/java/com/epmet/modules/act/service/impl/GroupActInfoServiceImpl.java
index 12f800c8a9..62ea68fdca 100644
--- a/epmet-module/resi-group/resi-group-server/src/main/java/com/epmet/modules/act/service/impl/GroupActInfoServiceImpl.java
+++ b/epmet-module/resi-group/resi-group-server/src/main/java/com/epmet/modules/act/service/impl/GroupActInfoServiceImpl.java
@@ -955,7 +955,7 @@ public class GroupActInfoServiceImpl extends BaseServiceImpl<GroupActInfoDao, Gr
             if (i < NumConstant.TEN){
                 dto.setMonth(year +"-"+NumConstant.ZERO + String.valueOf(i));
             }else {
-                dto.setMonth(year +"-"+ String.valueOf(i) + "月");
+                dto.setMonth(year +"-"+ String.valueOf(i));
             }
             lineChart.add(dto);
         }