diff --git a/dsBaseRpc/RpcService/BaseTeacher/BaseTeacherService/BaseTeacherService.go b/dsBaseRpc/RpcService/BaseTeacher/BaseTeacherService/BaseTeacherService.go
index 698b345f..858c5839 100644
--- a/dsBaseRpc/RpcService/BaseTeacher/BaseTeacherService/BaseTeacherService.go
+++ b/dsBaseRpc/RpcService/BaseTeacher/BaseTeacherService/BaseTeacherService.go
@@ -289,7 +289,7 @@ func (s *Rpc) UpdateBaseTeacher(ctx context.Context, in *BaseTeacherProto.ModelA
 	if len(in.Cjny) == 0 {
 		model.Cjny = DateUtil.ConvertDateTime("1900-01-01 00:00:00")
 	} else {
-		model.Cjny = DateUtil.ConvertDateTime(in.Cjny+" 00:00:00")
+		model.Cjny = DateUtil.ConvertDateTime(in.Cjny+"-01 00:00:00")
 	}
 
 	model.StageId = in.StageId