diff --git a/src/lib/constant.ts b/src/lib/constant.ts
index 00b0411..7d6e6fc 100644
--- a/src/lib/constant.ts
+++ b/src/lib/constant.ts
@@ -16,5 +16,6 @@ export const languages: Language[] = [
   { key: "de", value: "Deutsch" },
   { key: "it", value: "Italian" },
   { key: "es", value: "Spanish" },
+  { key: "ko", value: "Korean" },
   { key: "pt", value: "Portuguese" },
 ];
diff --git a/src/pages/api/lib/baidu.ts b/src/pages/api/lib/baidu.ts
index a55a35d..48d591d 100644
--- a/src/pages/api/lib/baidu.ts
+++ b/src/pages/api/lib/baidu.ts
@@ -8,6 +8,7 @@ const languageMap: Record<string, string> = {
   "ja": "jp",
   "fr": "fra",
   "es": "spa",
+  "ko": "kor",
 };
 
 export class Baidu {
@@ -24,10 +25,10 @@ export class Baidu {
     const salt = String(Math.random()).slice(2)
     const sign = MD5(this.APPID+text+salt+this.APPKEY)
     try {
-      const apiUrl =`http://api.fanyi.baidu.com/api/trans/vip/translate?q=${text}&from=${source}&to=${target}&appid=${this.APPID}&salt=${salt}&sign=${sign}`;
+      const apiUrl =`http://api.fanyi.baidu.com/api/trans/vip/translate?q=${encodeURIComponent(text)}&from=${source}&to=${target}&appid=${this.APPID}&salt=${salt}&sign=${sign}`;
       const response = await axios.get(apiUrl);
       if (response.data) {
-        return response.data.trans_result[0].dst;
+        return response.data.trans_result.map((item: { dst: any; }) => item.dst).join("\n\n");
       } else {
         throw new Error("Invalid response from Baidu");
       }
diff --git a/src/pages/api/lib/chatgpt.ts b/src/pages/api/lib/chatgpt.ts
index 11dad6c..5043fe8 100644
--- a/src/pages/api/lib/chatgpt.ts
+++ b/src/pages/api/lib/chatgpt.ts
@@ -38,9 +38,17 @@ export class ChatGPT {
       const data = JSON.stringify({
         model: this.model,
         messages: [
+          {
+            role: "system",
+            content: `You are a professional, authentic translation engine, only returns translations.`,
+          },
+          {
+            role: "user",
+            content: `Please translate the text from ${source} to ${target} language, without explaining my original text.`,
+          },
           {
             role: "user",
-            content: `请将以下文本从${source}翻译为${target}:“${text}”(要求：输出的结果只能出现翻译结果，需要准确且清晰，不得出现翻译结果以外的内容，输出结果不可以带任何特殊的文本样式,'',""不得出现)`,
+            content: text,
           },
         ],
         temperature: 0.7,
diff --git a/src/pages/api/lib/gemini.ts b/src/pages/api/lib/gemini.ts
index 369b287..ae98853 100644
--- a/src/pages/api/lib/gemini.ts
+++ b/src/pages/api/lib/gemini.ts
@@ -37,7 +37,13 @@ export class Gemini {
           {
             parts: [
               {
-                text: `请将以下文本从${source}翻译为${target}:“${text}”(要求：输出的结果只能出现翻译结果，需要准确且清晰，不得出现翻译结果以外的内容，输出结果不可以带任何特殊的文本样式,'',""不得出现)`,
+                text: `You are a professional, authentic translation engine, only returns translations.`,
+              },
+              {
+                text: `Please translate the text from ${source} to ${target} language, without explaining my original text.`,
+              },
+              {
+                text: text,
               },
             ],
           },
diff --git a/src/pages/index.tsx b/src/pages/index.tsx
index d784e7a..fe23537 100644
--- a/src/pages/index.tsx
+++ b/src/pages/index.tsx
@@ -152,7 +152,15 @@ export default function Home() {
                   onChange={setFrom}
                   placeholder={`Source Language`}
                 />
-                <ChevronRight className={`shrink-0 w-3 h-3 mx-2`} />
+                <ChevronRight className={`shrink-0 w-3 h-3 mx-2`}
+                  onClick={() => {
+                    const temp = from;
+                    if (temp != 'auto') {
+                      setFrom(to);
+                      setTo(temp);
+                    }
+                  }}
+                />
                 <LanguageSelect
                   value={to}
                   onChange={setTo}