增加乐器采购清单确认接口

mec-web/src/main/java/com/ym/mec/web/controller/ClassGroupController.java

@@ -69,7 +69,7 @@ public class ClassGroupController extends BaseController {
     @PostMapping("/delMix")
     @PreAuthorize("@pcs.hasPermissions('classGroup/delMix')")
     public Object delMix(Integer classGroupId) {
-        classGroupService.delete(classGroupId);
+        classGroupService.delMix(classGroupId);
         return succeed();
     }