diff --git a/protos/picture.proto b/protos/picture.proto
index 647505f..1c8a068 100644
--- a/protos/picture.proto
+++ b/protos/picture.proto
@@ -11,6 +11,6 @@ enum PictureType {
   RelayCabinetLayout = 2;
   /** IBP盘 */
   IBP = 3;
-  /** 运行数据 */
-  RunData = 4;
+  /** 列车数据 */
+  TrainData = 4;
 }