diff --git a/feature/ota/src/main/resources/base/element/string.json b/feature/ota/src/main/resources/base/element/string.json
index ccbc52e16b9369d53dc1a3601c3d5664e5431c3d..78940f09b6b19ed83619625541eca9022506aa8c 100644
--- a/feature/ota/src/main/resources/base/element/string.json
+++ b/feature/ota/src/main/resources/base/element/string.json
@@ -30,7 +30,7 @@
         },
         {
             "name":"network_request",
-            "value":"No WLAN connection. Downloading with mobile data may result in additional fees. Continue?"
+            "value":"No WLAN connection. This download will use mobile data. Continue?"
         },
         {
             "name":"ok",
@@ -82,7 +82,7 @@
         },
         {
             "name":"reboot_wait",
-            "value":"Restarting��"
+            "value":"Restarting"
         },
         {
             "name":"battery_not_enough_title",
@@ -114,7 +114,7 @@
         },
         {
             "name":"download_status_downloading",
-            "value":"Downloading��"
+            "value":"Downloading"
         },
         {
             "name":"download_status_download_pause",
diff --git a/feature/ota/src/main/resources/zh_CN/element/string.json b/feature/ota/src/main/resources/zh_CN/element/string.json
index 2342f44af8113b5af3f47099c8b354b6af0c3440..2a490484687c1bfc9bbd57b0f9eda73e364b8778 100644
--- a/feature/ota/src/main/resources/zh_CN/element/string.json
+++ b/feature/ota/src/main/resources/zh_CN/element/string.json
@@ -30,7 +30,7 @@
         },
         {
             "name":"network_request",
-            "value":"当前未连接 WLAN，下载将会产生流量费用。是否开启 WLAN 下载？"
+            "value":"当前非 WLAN 网络，下载会消耗流量。是否继续？"
         },
         {
             "name":"ok",