diff --git a/.env.example b/.env.example
index b69c8b8..e2c860e 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,6 @@
 NezhaBaseUrl=http://124.XX.XX.XX:8008
 NezhaAuth=your-nezha-api-token
+DefaultLocale=zh
 NEXT_PUBLIC_NezhaFetchInterval=5000
 NEXT_PUBLIC_ShowFlag=true
 NEXT_PUBLIC_DisableCartoon=true
\ No newline at end of file
diff --git a/README.md b/README.md
index bf886ce..2291b6d 100644
--- a/README.md
+++ b/README.md
@@ -12,14 +12,14 @@
 
 #### 环境变量
 
-| 变量名                         | 含义                 | 示例                             |
-| ------------------------------ | -------------------- | -------------------------------- |
-| NezhaBaseUrl                   | nezha 面板地址       | http://120.x.x.x:8008            |
-| NezhaAuth                      | nezha 面板 API Token | 5hAY3QX6Nl9B3Uxxxx26KMvOMyXS1Udi |
-| ServerDisablePrefetch          | 是否禁用预加载       | **默认**：false                  |
-| NEXT_PUBLIC_NezhaFetchInterval | 获取数据间隔（毫秒） | **默认**：2000                   |
-| NEXT_PUBLIC_ShowFlag           | 是否显示旗帜         | **默认**：false                  |
-| NEXT_PUBLIC_DisableCartoon     | 是否禁用卡通人物     | **默认**：false                  |
+| 变量名                         | 含义                             | 示例                             |
+| ------------------------------ | -------------------------------- | -------------------------------- |
+| NezhaBaseUrl                   | nezha 面板地址                   | http://120.x.x.x:8008            |
+| NezhaAuth                      | nezha 面板 API Token             | 5hAY3QX6Nl9B3Uxxxx26KMvOMyXS1Udi |
+| DefaultLocale                  | 面板默认显示语言（代码参考下表） | **默认**：en                     |
+| NEXT_PUBLIC_NezhaFetchInterval | 获取数据间隔（毫秒）             | **默认**：2000                   |
+| NEXT_PUBLIC_ShowFlag           | 是否显示旗帜                     | **默认**：false                  |
+| NEXT_PUBLIC_DisableCartoon     | 是否禁用卡通人物                 | **默认**：false                  |
 
 #### 多语言支持
 
diff --git a/app/[locale]/(main)/ClientComponents/ServerListClient.tsx b/app/[locale]/(main)/ClientComponents/ServerListClient.tsx
index f064a1a..ab96e56 100644
--- a/app/[locale]/(main)/ClientComponents/ServerListClient.tsx
+++ b/app/[locale]/(main)/ClientComponents/ServerListClient.tsx
@@ -14,11 +14,13 @@ export default function ServerListClient() {
       <div className="flex flex-col items-center justify-center">
         <p className="text-sm font-medium opacity-40">{error.message}</p>
         <p className="text-sm font-medium opacity-40">
-          Please check your environment variables and review the server console logs for more details.
+          Please check your environment variables and review the server console
+          logs for more details.
         </p>
       </div>
     );
   if (!data) return null;
+
   const { result } = data;
 
   const positiveDisplayIndex = result
@@ -38,6 +40,7 @@ export default function ServerListClient() {
     ...noDisplayIndex,
     ...negativeDisplayIndex,
   ];
+
   return (
     <section className="grid grid-cols-1 gap-2 md:grid-cols-2">
       {sortedServers.map((serverInfo) => (
diff --git a/docker/.env.example b/docker/.env.example
index b69c8b8..e2c860e 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -1,5 +1,6 @@
 NezhaBaseUrl=http://124.XX.XX.XX:8008
 NezhaAuth=your-nezha-api-token
+DefaultLocale=zh
 NEXT_PUBLIC_NezhaFetchInterval=5000
 NEXT_PUBLIC_ShowFlag=true
 NEXT_PUBLIC_DisableCartoon=true
\ No newline at end of file
diff --git a/i18n-metadata.ts b/i18n-metadata.ts
index acf3a7c..3151be8 100644
--- a/i18n-metadata.ts
+++ b/i18n-metadata.ts
@@ -1,5 +1,7 @@
 // @auto-i18n-check. Please do not delete the line.
 
+import getEnv from "./lib/env-entry";
+
 export const localeItems = [
   { code: "en", name: "English" },
   { code: "ja", name: "日本語" },
@@ -21,4 +23,4 @@ export const localeItems = [
 ];
 
 export const locales = localeItems.map((item) => item.code);
-export const defaultLocale = "en";
+export const defaultLocale = getEnv("DefaultLocale") || "en";
diff --git a/lib/serverFetch.tsx b/lib/serverFetch.tsx
index 15d16f1..d8fa983 100644
--- a/lib/serverFetch.tsx
+++ b/lib/serverFetch.tsx
@@ -10,8 +10,8 @@ export async function GetNezhaData() {
 
   var nezhaBaseUrl = getEnv("NezhaBaseUrl");
   if (!nezhaBaseUrl) {
-    console.error("NezhaBaseUrl is not set");
-    throw new Error("NezhaBaseUrl is not set");
+    console.log("NezhaBaseUrl is not set");
+    return { error: "NezhaBaseUrl is not set" };
   }
 
   // Remove trailing slash
@@ -27,7 +27,12 @@ export async function GetNezhaData() {
         revalidate: 0,
       },
     });
-    const nezhaData = (await response.json()).result as NezhaAPI[];
+    const resData = await response.json();
+    const nezhaData = resData.result as NezhaAPI[];
+    if (!nezhaData) {
+      console.log(resData);
+      return { error: "NezhaData fetch failed" };
+    }
     const data: ServerApi = {
       live_servers: 0,
       offline_servers: 0,
diff --git a/middleware.ts b/middleware.ts
index a4b787c..ebcec7e 100644
--- a/middleware.ts
+++ b/middleware.ts
@@ -1,14 +1,14 @@
 // @auto-i18n-check. Please do not delete the line.
 
 import createMiddleware from "next-intl/middleware";
-import { locales } from "./i18n-metadata";
+import { defaultLocale, locales } from "./i18n-metadata";
 
 export default createMiddleware({
   // A list of all locales that are supported
   locales: locales,
 
   // Used when no locale matches
-  defaultLocale: "en",
+  defaultLocale: defaultLocale,
 
   // 'always': This is the default, The home page will also be redirected to the default language, such as www.abc.com to www.abc.com/en
   // 'as-needed': The default page is not redirected. For example, if you open www.abc.com, it is still www.abc.com