diff --git a/src-tauri/src/core/async_proxy_query.rs b/src-tauri/src/core/async_proxy_query.rs
index e63f6058..2fd8b3d8 100644
--- a/src-tauri/src/core/async_proxy_query.rs
+++ b/src-tauri/src/core/async_proxy_query.rs
@@ -227,7 +227,7 @@ impl AsyncProxyQuery {
         if let Ok(output) = output
             && output.status.success()
         {
-            let mode = String::from_utf8_lossy(&output.stdout).trim().into();
+            let mode: String = String::from_utf8_lossy(&output.stdout).trim().into();
             if mode.contains("auto") {
                 // 获取 PAC URL
                 let pac_output = Command::new("gsettings")
@@ -238,7 +238,7 @@ impl AsyncProxyQuery {
                 if let Ok(pac_output) = pac_output
                     && pac_output.status.success()
                 {
-                    let pac_url = String::from_utf8_lossy(&pac_output.stdout)
+                    let pac_url: String = String::from_utf8_lossy(&pac_output.stdout)
                         .trim()
                         .trim_matches('\'')
                         .trim_matches('"')
@@ -452,7 +452,7 @@ impl AsyncProxyQuery {
         if let Ok(mode_output) = mode_output
             && mode_output.status.success()
         {
-            let mode = String::from_utf8_lossy(&mode_output.stdout).trim().into();
+            let mode: String = String::from_utf8_lossy(&mode_output.stdout).trim().into();
             if mode.contains("manual") {
                 // 获取HTTP代理设置
                 let host_result = Command::new("gsettings")
@@ -469,7 +469,7 @@ impl AsyncProxyQuery {
                     && host_output.status.success()
                     && port_output.status.success()
                 {
-                    let host = String::from_utf8_lossy(&host_output.stdout)
+                    let host: String = String::from_utf8_lossy(&host_output.stdout)
                         .trim()
                         .trim_matches('\'')
                         .trim_matches('"')
@@ -511,7 +511,7 @@ impl AsyncProxyQuery {
 
         // 解析主机和端口
         let (host, port) = if let Some(colon_pos) = url.rfind(':') {
-            let host = url[..colon_pos].into();
+            let host: String = url[..colon_pos].into();
             let port = url[colon_pos + 1..].parse::<u16>().unwrap_or(8080);
             (host, port)
         } else {