diff --git a/src/main/res/values-zh/strings.xml b/src/main/res/values-zh/strings.xml
index d8ed2ba39..0de8196df 100644
--- a/src/main/res/values-zh/strings.xml
+++ b/src/main/res/values-zh/strings.xml
@@ -17,7 +17,7 @@ limitations under the License.
     <!-- Activity Type -->
     <string name="activity_type_airplane">坐飞机</string>
     <string name="activity_type_atv">全地形越野</string>
-    <string name="activity_type_biking">自行车</string>
+    <string name="activity_type_biking">骑行</string>
     <string name="activity_type_blimp">小型飞艇游览</string>
     <string name="activity_type_boat">船</string>
     <string name="activity_type_climbing">攀岩</string>
@@ -633,4 +633,5 @@ limitations under the License.
     <string name="description_sensor_temperature">温度（摄氏度）</string>
     <string name="sensor_state_temperature">温度计</string>
     <string name="stats_sensors_temperature">温度</string>
+    <string name="activity_type_gravel_biking">砾石骑行</string>
 </resources>