修复消息渠道的事件未触发

src-tauri/src/chat_channel/i18n.rs

@@ -1,8 +1,9 @@
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "kebab-case")]
 pub enum Lang {
+    #[default]
     En,
     ZhCn,
     ZhTw,
@@ -15,12 +16,6 @@ pub enum Lang {
     Ar,
 }
 
-impl Default for Lang {
-    fn default() -> Self {
-        Lang::En
-    }
-}
-
 impl Lang {
     pub fn from_str_lossy(s: &str) -> Self {
         match s {