diff --git a/src/main/java/com/bonus/boot/manager/ca/bm/service/impl/PrepaymentServiceImpl.java b/src/main/java/com/bonus/boot/manager/ca/bm/service/impl/PrepaymentServiceImpl.java
index 7878821..79bbc08 100644
--- a/src/main/java/com/bonus/boot/manager/ca/bm/service/impl/PrepaymentServiceImpl.java
+++ b/src/main/java/com/bonus/boot/manager/ca/bm/service/impl/PrepaymentServiceImpl.java
@@ -215,7 +215,7 @@ public class PrepaymentServiceImpl implements PrepaymentService {
         collect.forEach((k,v) -> integerList.add(v));
         String fileName = "工程预付款统计";
         if(list.size()>0){
-            fileName = "-" + list.get(0).getProjectName();
+            fileName = fileName + "-" + list.get(0).getProjectName();
         }
         //记录用于合并的rowIndex
         ArrayList<HashMap<String, Integer>> mergeRows = new ArrayList<>();