diff --git a/protos/stationLayoutGraphics.proto b/protos/stationLayoutGraphics.proto
index 600eec3..1d84bd8 100644
--- a/protos/stationLayoutGraphics.proto
+++ b/protos/stationLayoutGraphics.proto
@@ -27,7 +27,7 @@ message RtssGraphicStorage {
   repeated LogicSection logicSections = 17;
   repeated StopPosition stopPositions = 18;
   repeated SpksSwitch spksSwitchs = 19;
-  repeated EsbButton esbButtons = 20; // 紧急关闭按钮
+  repeated EsbButton esbButtons = 20; // 紧急关闭（这不是按钮，只是一个ESB系统的象征物）
   repeated GatedBox gateBoxs = 21; // 站台开门/关门/发车按钮整合控制箱
   repeated Transponder transponders = 22;                // 应答器
   repeated Slope slopes = 23;                            // 坡度