diff --git a/src-tauri/src/core/async_proxy_query.rs b/src-tauri/src/core/async_proxy_query.rs
index c9e31c67..f0e579f6 100644
--- a/src-tauri/src/core/async_proxy_query.rs
+++ b/src-tauri/src/core/async_proxy_query.rs
@@ -347,11 +347,12 @@ impl AsyncProxyQuery {
                 &mut buffer_size,
             );
 
-            let mut proxy_server = String::new();
-            if server_result == 0 && value_type == REG_SZ && buffer_size > 0 {
+            let proxy_server = if server_result == 0 && value_type == REG_SZ && buffer_size > 0 {
                 let end_pos = buffer.iter().position(|&x| x == 0).unwrap_or(buffer.len());
-                proxy_server = String::from_utf16_lossy(&buffer[..end_pos]);
-            }
+                String::from_utf16_lossy(&buffer[..end_pos])
+            } else {
+                String::new()
+            };
 
             // 读取代理绕过列表
             let proxy_override_name = "ProxyOverride\0".encode_utf16().collect::<Vec<u16>>();
@@ -368,14 +369,16 @@ impl AsyncProxyQuery {
                 &mut bypass_buffer_size,
             );
 
-            let mut bypass_list = String::new();
-            if override_result == 0 && bypass_value_type == REG_SZ && bypass_buffer_size > 0 {
-                let end_pos = bypass_buffer
-                    .iter()
-                    .position(|&x| x == 0)
-                    .unwrap_or(bypass_buffer.len());
-                bypass_list = String::from_utf16_lossy(&bypass_buffer[..end_pos]);
-            }
+            let bypass_list =
+                if override_result == 0 && bypass_value_type == REG_SZ && bypass_buffer_size > 0 {
+                    let end_pos = bypass_buffer
+                        .iter()
+                        .position(|&x| x == 0)
+                        .unwrap_or(bypass_buffer.len());
+                    String::from_utf16_lossy(&bypass_buffer[..end_pos])
+                } else {
+                    String::new()
+                };
 
             RegCloseKey(hkey);
 
diff --git a/src-tauri/src/core/service.rs b/src-tauri/src/core/service.rs
index 9f892423..28e0dc97 100644
--- a/src-tauri/src/core/service.rs
+++ b/src-tauri/src/core/service.rs
@@ -136,7 +136,7 @@ async fn uninstall_service() -> Result<()> {
     let elevator = crate::utils::help::linux_elevator();
     let status = match get_effective_uid() {
         0 => StdCommand::new(uninstall_shell).status()?,
-        _ => StdCommand::new(elevator.clone())
+        _ => StdCommand::new(elevator)
             .arg("sh")
             .arg("-c")
             .arg(uninstall_shell)
@@ -177,7 +177,7 @@ async fn install_service() -> Result<()> {
     let elevator = crate::utils::help::linux_elevator();
     let status = match get_effective_uid() {
         0 => StdCommand::new(install_shell).status()?,
-        _ => StdCommand::new(elevator.clone())
+        _ => StdCommand::new(elevator)
             .arg("sh")
             .arg("-c")
             .arg(install_shell)
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 7555e477..38c4d951 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -351,7 +351,7 @@ pub fn run() {
             });
         }
 
-        pub fn handle_window_destroyed() {
+        pub const fn handle_window_destroyed() {
             #[cfg(target_os = "macos")]
             {
                 use crate::core::hotkey::SystemHotkey;
diff --git a/src-tauri/src/utils/linux.rs b/src-tauri/src/utils/linux.rs
index 446412ef..65e0ae49 100644
--- a/src-tauri/src/utils/linux.rs
+++ b/src-tauri/src/utils/linux.rs
@@ -19,7 +19,7 @@ struct IntelGpuDetection {
 }
 
 impl IntelGpuDetection {
-    fn should_disable_dmabuf(&self) -> bool {
+    const fn should_disable_dmabuf(&self) -> bool {
         self.intel_is_primary || self.inconclusive
     }
 }
@@ -41,7 +41,7 @@ enum NvidiaDmabufDisableReason {
 }
 
 impl NvidiaGpuDetection {
-    fn disable_reason(&self, session: &SessionEnv) -> Option<NvidiaDmabufDisableReason> {
+    const fn disable_reason(&self, session: &SessionEnv) -> Option<NvidiaDmabufDisableReason> {
         if !session.is_wayland {
             return None;
         }
@@ -144,11 +144,11 @@ impl DmabufOverrides {
         }
     }
 
-    fn has_env_override(&self) -> bool {
+    const fn has_env_override(&self) -> bool {
         self.dmabuf_override.is_some()
     }
 
-    fn should_override_env(&self, decision: &DmabufDecision) -> bool {
+    const fn should_override_env(&self, decision: &DmabufDecision) -> bool {
         if self.user_preference.is_some() {
             return true;
         }