diff --git a/core/function-impl/mogo-core-function-hmi/src/main/res/values/strings.xml b/core/function-impl/mogo-core-function-hmi/src/main/res/values/strings.xml
index 35244d89ef..d994155d5b 100644
--- a/core/function-impl/mogo-core-function-hmi/src/main/res/values/strings.xml
+++ b/core/function-impl/mogo-core-function-hmi/src/main/res/values/strings.xml
@@ -85,5 +85,5 @@
     <!--红绿灯数据来源-->
     <string name="light_source_ai_cloud">云端下发</string>
     <string name="light_source_perception">自车感知</string>
-    <string name="light_source_obu">\u3000OBU\u3000</string>
+    <string name="light_source_obu">\u2000OBU\u2000</string>
 </resources>