diff --git a/src/codemirror_bridge.rs b/src/codemirror_bridge.rs
index 3310d76..2b4136d 100644
--- a/src/codemirror_bridge.rs
+++ b/src/codemirror_bridge.rs
@@ -179,7 +179,7 @@ pub mod wasm {
         fn drop(&mut self) {
             // 销毁 JS 侧编辑器；随后 _on_change/_on_ready 字段按声明顺序释放，
             // 释放 wasm-bindgen 函数表槽位。
-            let _ = self.instance.destroy();
+            self.instance.destroy();
         }
     }
 }
diff --git a/src/components/footer.rs b/src/components/footer.rs
index c7ea308..3440a2e 100644
--- a/src/components/footer.rs
+++ b/src/components/footer.rs
@@ -42,10 +42,10 @@ pub fn Footer() -> Element {
     // 因为 server 端该组件只跑一次 SSR）。
     #[cfg(target_arch = "wasm32")]
     use_event_listener(
-        || web_sys::window(),
+        web_sys::window,
         "scroll",
         // 滚动事件触发时复用同样的阈值判断。
-        move || sync_visible(),
+        sync_visible,
     );
 
     // 挂载时根据当前滚动位置初始化一次按钮可见性。
@@ -101,7 +101,7 @@ fn scroll_to_top() {
             let options = web_sys::ScrollToOptions::new();
             options.set_top(0.0);
             options.set_behavior(web_sys::ScrollBehavior::Smooth);
-            let _ = window.scroll_to_with_scroll_to_options(&options);
+            window.scroll_to_with_scroll_to_options(&options);
 
             if let Ok(history) = window.history() {
                 let _ = history.replace_state_with_url(&wasm_bindgen::JsValue::NULL, "", Some(" "));
diff --git a/src/hooks/event_listener.rs b/src/hooks/event_listener.rs
index bf2eceb..98b24cb 100644
--- a/src/hooks/event_listener.rs
+++ b/src/hooks/event_listener.rs
@@ -42,8 +42,9 @@ where
 
     // 用 use_hook 持有 (Closure, target)，在整个组件生命周期内复用；
     // use_drop 时 take 出来移除监听，防止泄漏。
-    let state: Rc<RefCell<Option<(wasm_bindgen::prelude::Closure<dyn FnMut()>, T)>>> =
-        use_hook(|| Rc::new(RefCell::new(None)));
+    type ListenerState<T> =
+        Rc<RefCell<Option<(wasm_bindgen::prelude::Closure<dyn FnMut()>, T)>>>;
+    let state: ListenerState<T> = use_hook(|| Rc::new(RefCell::new(None)));
     let state_for_drop = state.clone();
 
     // use_effect 的回调是 FnMut（可能多次运行），但 acquire 是 FnOnce、handler 要
diff --git a/src/pages/admin/system.rs b/src/pages/admin/system.rs
index 079f398..c6dadc4 100644
--- a/src/pages/admin/system.rs
+++ b/src/pages/admin/system.rs
@@ -721,12 +721,9 @@ fn SqlConsoleTab() -> Element {
             opts.set_on_change(&on_change);
             opts.set_on_ready(&on_ready);
 
-            match codemirror_bridge::get_module().create("sql-editor", &opts) {
-                Ok(Some(inst)) => {
-                    let handle = codemirror_bridge::EditorHandle::new(inst, on_change, on_ready);
-                    editor_handle.set(Some(handle));
-                }
-                _ => {}
+            if let Ok(Some(inst)) = codemirror_bridge::get_module().create("sql-editor", &opts) {
+                let handle = codemirror_bridge::EditorHandle::new(inst, on_change, on_ready);
+                editor_handle.set(Some(handle));
             }
 
             // 异步拉取 schema 注入补全
@@ -1197,9 +1194,8 @@ fn BackupTab() -> Element {
                             active_progress.set(Some(p));
                             if done {
                                 // 刷新列表（备份完成后新文件出现）并清理任务态
-                                match list_backups().await {
-                                    Ok(list) => backups_f.set(list),
-                                    _ => {}
+                                if let Ok(list) = list_backups().await {
+                                    backups_f.set(list);
                                 }
                                 active_task_id.set(None);
                                 busy_f.set(false);
diff --git a/src/pages/admin/write.rs b/src/pages/admin/write.rs
index 493555f..4f91a54 100644
--- a/src/pages/admin/write.rs
+++ b/src/pages/admin/write.rs
@@ -297,7 +297,7 @@ fn write_editor(post_id: Option<i32>) -> Element {
             // 将逗号分隔的标签字符串转换为列表。
             // 同时支持半角/全角逗号与分号，避免中文输入法下的全角标点被误并入单个标签。
             let tags_list: Vec<String> = tags()
-                .split(|c| matches!(c, ',' | '，' | ';' | '；'))
+                .split([',', '，', ';', '；'])
                 .map(|t| t.trim().to_string())
                 .filter(|t| !t.is_empty())
                 .collect();