diff --git a/app/src/main/java/com/wireguard/android/fragment/ConfigNamingDialogFragment.java b/app/src/main/java/com/wireguard/android/fragment/ConfigNamingDialogFragment.java
index e8f0419..effa059 100644
--- a/app/src/main/java/com/wireguard/android/fragment/ConfigNamingDialogFragment.java
+++ b/app/src/main/java/com/wireguard/android/fragment/ConfigNamingDialogFragment.java
@@ -77,7 +77,7 @@ public class ConfigNamingDialogFragment extends DialogFragment {
@Override
public Dialog onCreateDialog(final Bundle savedInstanceState) {
- final Activity activity = Objects.requireNonNull(getActivity());
+ final Activity activity = requireActivity();
imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index acb93f3..26ca023 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -139,7 +139,7 @@
正在安装 wg 与 wg-quick...
所需工具不可用
流量
- 接收:%s,发送:%s
+ 接收:%1$s,发送:%2$s
%d B
%.2f KiB
%.2f MiB