diff --git a/src-tauri/src/launcher_config/commands.rs b/src-tauri/src/launcher_config/commands.rs
index 06cc85ae..7587ed66 100644
--- a/src-tauri/src/launcher_config/commands.rs
+++ b/src-tauri/src/launcher_config/commands.rs
@@ -279,6 +279,11 @@ pub async fn check_launcher_update(app: AppHandle) -> XMCLResult<VersionMetaInfo
   Ok(VersionMetaInfo::default())
 }
 
+#[tauri::command]
+pub async fn test_proxy_connection(app: AppHandle, test_url: String) -> XMCLResult<bool> {
+  crate::launcher_config::helpers::proxy::test_proxy_connectivity(&app, test_url).await
+}
+
 #[tauri::command]
 pub async fn download_launcher_update(app: AppHandle, version: VersionMetaInfo) -> XMCLResult<()> {
   if version.version.is_empty() || version.version == "up2date" {
diff --git a/src-tauri/src/launcher_config/helpers/mod.rs b/src-tauri/src/launcher_config/helpers/mod.rs
index 68167046..7b2ad8d4 100644
--- a/src-tauri/src/launcher_config/helpers/mod.rs
+++ b/src-tauri/src/launcher_config/helpers/mod.rs
@@ -1,3 +1,4 @@
 pub mod java;
 pub mod misc;
+pub mod proxy;
 pub mod updater;
diff --git a/src-tauri/src/launcher_config/helpers/proxy.rs b/src-tauri/src/launcher_config/helpers/proxy.rs
new file mode 100644
index 00000000..d2646155
--- /dev/null
+++ b/src-tauri/src/launcher_config/helpers/proxy.rs
@@ -0,0 +1,41 @@
+use crate::error::{XMCLError, XMCLResult};
+use crate::launcher_config::models::{LauncherConfig, ProxyType};
+use std::sync::Mutex;
+use std::time::Duration;
+use tauri::{AppHandle, Manager};
+use tauri_plugin_http::reqwest;
+
+pub async fn test_proxy_connectivity(app: &AppHandle, test_url: String) -> XMCLResult<bool> {
+  let config_binding = app.state::<Mutex<LauncherConfig>>();
+  let (proxy_enabled, proxy_type, proxy_host, proxy_port) = {
+    let config = config_binding.lock()?;
+    (
+      config.download.proxy.enabled,
+      config.download.proxy.selected_type.clone(),
+      config.download.proxy.host.clone(),
+      config.download.proxy.port,
+    )
+  };
+
+  if !proxy_enabled || proxy_host.is_empty() || proxy_port == 0 {
+    return Ok(false);
+  }
+
+  let proxy_url = match proxy_type {
+    ProxyType::Http => format!("http://{}:{}", proxy_host, proxy_port),
+    ProxyType::Socks => format!("socks5://{}:{}", proxy_host, proxy_port),
+  };
+
+  let proxy = reqwest::Proxy::all(&proxy_url).map_err(|e| XMCLError::from(e))?;
+
+  let client = reqwest::Client::builder()
+    .proxy(proxy)
+    .timeout(Duration::from_secs(10))
+    .build()
+    .map_err(|e| XMCLError::from(e))?;
+
+  match client.get(&test_url).send().await {
+    Ok(response) => Ok(response.status().is_success()),
+    Err(_) => Ok(false),
+  }
+}
diff --git a/src-tauri/src/launcher_config/helpers/updater.rs b/src-tauri/src/launcher_config/helpers/updater.rs
index 4cd203b5..e268c721 100644
--- a/src-tauri/src/launcher_config/helpers/updater.rs
+++ b/src-tauri/src/launcher_config/helpers/updater.rs
@@ -1,14 +1,10 @@
-use crate::error::{XMCLError, XMCLResult};
+use crate::error::XMCLResult;
 use crate::launcher_config::models::{LauncherConfig, LauncherConfigError};
 use crate::tasks::commands::schedule_progressive_task_group;
 use crate::tasks::download::DownloadParam;
 use crate::tasks::PTaskParam;
 use serde_json::Value;
-use std::fs;
-use std::path::PathBuf;
-use std::process::Command;
 use std::sync::Mutex;
-use tauri::path::BaseDirectory;
 use tauri::{AppHandle, Manager};
 use tauri_plugin_http::reqwest;
 
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index fb4d7c27..e9989c6b 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -74,6 +74,7 @@ pub async fn run() {
       launcher_config::commands::check_game_directory,
       launcher_config::commands::clear_download_cache,
       launcher_config::commands::check_launcher_update,
+      launcher_config::commands::test_proxy_connection,
       launcher_config::commands::download_launcher_update,
       launcher_config::commands::install_launcher_update,
       account::commands::retrieve_player_list,
diff --git a/src/locales/en.json b/src/locales/en.json
index 7f42eade..e814f225 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -543,7 +543,18 @@
         },
         "port": {
           "title": "Port"
+        },
+        "test": {
+          "title": "Test Proxy Connection",
+          "placeholder": "https://www.baidu.com",
+          "button": "Test",
+          "success": "Connection successful",
+          "failed": "Connection failed"
         }
+      },
+      "test": {
+        "success": "Proxy connection successful",
+        "failed": "Proxy connection failed"
       }
     }
   },
diff --git a/src/locales/fr.json b/src/locales/fr.json
index 45bdfaa5..e45f3b88 100644
--- a/src/locales/fr.json
+++ b/src/locales/fr.json
@@ -462,7 +462,18 @@
         },
         "port": {
           "title": "Port"
+        },
+        "test": {
+          "title": "Tester la connexion du proxy",
+          "placeholder": "https://www.baidu.com",
+          "button": "Tester",
+          "success": "Connexion réussie",
+          "failed": "Connexion échouée"
         }
+      },
+      "test": {
+        "success": "Connexion au proxy réussie",
+        "failed": "Connexion au proxy échouée"
       }
     }
   },
diff --git a/src/locales/ja.json b/src/locales/ja.json
index e6325aa8..4bfd7584 100644
--- a/src/locales/ja.json
+++ b/src/locales/ja.json
@@ -459,7 +459,18 @@
         },
         "port": {
           "title": "ポート"
+        },
+        "test": {
+          "title": "プロキシ接続をテスト",
+          "placeholder": "https://www.baidu.com",
+          "button": "テスト",
+          "success": "接続成功",
+          "failed": "接続失敗"
         }
+      },
+      "test": {
+        "success": "プロキシ接続成功",
+        "failed": "プロキシ接続失敗"
       }
     }
   },
diff --git a/src/locales/zh-Hans.json b/src/locales/zh-Hans.json
index fa4a3f0a..10e03681 100644
--- a/src/locales/zh-Hans.json
+++ b/src/locales/zh-Hans.json
@@ -543,7 +543,18 @@
         },
         "port": {
           "title": "端口"
+        },
+        "test": {
+          "title": "测试代理连接",
+          "placeholder": "https://www.baidu.com",
+          "button": "测试",
+          "success": "连接成功",
+          "failed": "连接失败"
         }
+      },
+      "test": {
+        "success": "代理连接成功",
+        "failed": "代理连接失败"
       }
     }
   },
diff --git a/src/locales/zh-Hant.json b/src/locales/zh-Hant.json
index 9b9fd8ff..bda06385 100644
--- a/src/locales/zh-Hant.json
+++ b/src/locales/zh-Hant.json
@@ -543,7 +543,18 @@
         },
         "port": {
           "title": "埠"
+        },
+        "test": {
+          "title": "測試代理連線",
+          "placeholder": "https://www.baidu.com",
+          "button": "測試",
+          "success": "連線成功",
+          "failed": "連線失敗"
         }
+      },
+      "test": {
+        "success": "代理連線成功",
+        "failed": "代理連線失敗"
       }
     }
   },
diff --git a/src/pages/settings/download.tsx b/src/pages/settings/download.tsx
index c9cdce3c..ce85b27f 100644
--- a/src/pages/settings/download.tsx
+++ b/src/pages/settings/download.tsx
@@ -71,6 +71,8 @@ const DownloadSettingsPage = () => {
   );
   const [isClearingDownloadCache, setIsClearingDownloadCache] =
     useState<boolean>(false);
+  const [isTestingProxy, setIsTestingProxy] = useState<boolean>(false);
+  const [testUrl, setTestUrl] = useState<string>("");
 
   const sourceStrategyTypes = ["auto", "official", "mirror"];
   const proxyTypeOptions = [
@@ -123,6 +125,33 @@ const DownloadSettingsPage = () => {
     closeSharedModal("generic-confirm");
   };
 
+  const handleTestProxy = async () => {
+    if (isTestingProxy) return;
+
+    const url = testUrl.trim() || "https://www.baidu.com";
+    setIsTestingProxy(true);
+
+    try {
+      const response = await ConfigService.testProxyConnection(url);
+      if (response.status === "success") {
+        toast({
+          title: response.data
+            ? t("DownloadSettingPage.proxy.test.success")
+            : t("DownloadSettingPage.proxy.test.failed"),
+          status: response.data ? "success" : "error",
+        });
+      } else {
+        toast({
+          title: t("DownloadSettingPage.proxy.test.failed"),
+          description: response.message,
+          status: "error",
+        });
+      }
+    } finally {
+      setIsTestingProxy(false);
+    }
+  };
+
   const downloadSettingGroups: OptionItemGroupProps[] = [
     {
       items: [
@@ -446,6 +475,31 @@ const DownloadSettingsPage = () => {
                   </NumberInput>
                 ),
               },
+              {
+                title: t("DownloadSettingPage.proxy.settings.test.title"),
+                children: (
+                  <HStack>
+                    <Input
+                      size="xs"
+                      w="240px"
+                      focusBorderColor={`${primaryColor}.500`}
+                      placeholder={t(
+                        "DownloadSettingPage.proxy.settings.test.placeholder"
+                      )}
+                      value={testUrl}
+                      onChange={(event) => setTestUrl(event.target.value)}
+                    />
+                    <Button
+                      variant="subtle"
+                      size="xs"
+                      isLoading={isTestingProxy}
+                      onClick={handleTestProxy}
+                    >
+                      {t("DownloadSettingPage.proxy.settings.test.button")}
+                    </Button>
+                  </HStack>
+                ),
+              },
             ]
           : []),
       ],
diff --git a/src/services/config.ts b/src/services/config.ts
index 7e71ce60..29fd77ce 100644
--- a/src/services/config.ts
+++ b/src/services/config.ts
@@ -166,8 +166,18 @@ export class ConfigService {
     return await invoke("download_launcher_update", { version });
   }
 
-  /**
-   * INSTALL the launcher update.
+  /**   * TEST the proxy connection.
+   * @param {string} testUrl URL to test the proxy connection.
+   * @returns {Promise<InvokeResponse<boolean>>} Returns true if the connection is successful.
+   */
+  @responseHandler("config")
+  static async testProxyConnection(
+    testUrl: string
+  ): Promise<InvokeResponse<boolean>> {
+    return await invoke("test_proxy_connection", { testUrl });
+  }
+
+  /**   * INSTALL the launcher update.
    * @param {string} downloadedFilename The name of the downloaded new version file.
    * @param {boolean} restart Whether to restart the launcher now.
    * @returns {Promise<InvokeResponse<void>>} Returns void if the update process is started successfully.