diff --git a/core/mogo-core-data/src/main/java/com/mogo/eagle/core/data/enums/EventTypeEnumNew.kt b/core/mogo-core-data/src/main/java/com/mogo/eagle/core/data/enums/EventTypeEnumNew.kt
index a13998beec..33fa0c3d71 100644
--- a/core/mogo-core-data/src/main/java/com/mogo/eagle/core/data/enums/EventTypeEnumNew.kt
+++ b/core/mogo-core-data/src/main/java/com/mogo/eagle/core/data/enums/EventTypeEnumNew.kt
@@ -313,7 +313,7 @@ enum class EventTypeEnumNew(
         "超速",
         poiTypeSrcVr = R.drawable.icon_warning_v2x_over_speed,
         content = "当前路段限速 %s KM/H，已超速",
-        tts = "蘑菇路侧提醒您，当前路段限速 %s KM/H，已超速"
+        tts = "蘑菇路侧提醒您，当前路段限速 %s 千米每小时，已超速"
     ),
     //------------道路危险情况预警 obu end ----------->