diff --git a/src/main/java/com/iflytop/handacid/app/common/enums/ChannelStateCode.java b/src/main/java/com/iflytop/handacid/app/common/enums/ChannelStateCode.java
index f54a03e..011c73b 100644
--- a/src/main/java/com/iflytop/handacid/app/common/enums/ChannelStateCode.java
+++ b/src/main/java/com/iflytop/handacid/app/common/enums/ChannelStateCode.java
@@ -9,4 +9,5 @@ public enum ChannelStateCode {
     PRE,
     DRAIN,
     IDLE,
+    BAD,
 }