diff --git a/src/main/java/com/subsidy/service/ClassDictService.java b/src/main/java/com/subsidy/service/ClassDictService.java
index 41473ce..8eae7fe 100644
--- a/src/main/java/com/subsidy/service/ClassDictService.java
+++ b/src/main/java/com/subsidy/service/ClassDictService.java
@@ -26,7 +26,7 @@ public interface ClassDictService extends IService<ClassDictDO> {
 
     String deleteClasses(ClassDictDO classDictDO);
 
-    String addClass(AddClassDTO addClassDTO);
+    Long addClass(AddClassDTO addClassDTO);
 
     String updateClass(ClassDictDO classDictDO);
 
diff --git a/src/main/java/com/subsidy/service/impl/ClassDictServiceImpl.java b/src/main/java/com/subsidy/service/impl/ClassDictServiceImpl.java
index 85f7f7b..105329d 100644
--- a/src/main/java/com/subsidy/service/impl/ClassDictServiceImpl.java
+++ b/src/main/java/com/subsidy/service/impl/ClassDictServiceImpl.java
@@ -83,7 +83,7 @@ public class ClassDictServiceImpl extends ServiceImpl<ClassDictMapper, ClassDict
         return ConstantUtils.DELETE_SUCCESS;
     }
 
-    public String addClass(AddClassDTO addClassDTO) {
+    public Long addClass(AddClassDTO addClassDTO) {
 
         //新建一个班级
         ClassDictDO classDictDO = new ClassDictDO();
@@ -117,7 +117,7 @@ public class ClassDictServiceImpl extends ServiceImpl<ClassDictMapper, ClassDict
 
         }
 
-        return ConstantUtils.ADD_SUCCESS;
+        return classDictDO.getId();
     }
 
     public String updateClass(ClassDictDO classDictDO) {