diff --git a/protos/device_state.proto b/protos/device_state.proto
index 92e6c22..f200271 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -111,7 +111,7 @@ message PlatformState{
 	// SPKS继电器状态
 	repeated ReplyState spksState = 3;
 	// 门控箱继电器状态
-	repeated MkxJState mkxJState = 4;
+	MkxJState mkxJState = 4;
 }
 //车站状态
 message StationState{