diff --git a/public/locales/en-US/dashboard.json b/public/locales/en-US/dashboard.json
index 5f3b9ee..e5103be 100644
--- a/public/locales/en-US/dashboard.json
+++ b/public/locales/en-US/dashboard.json
@@ -433,10 +433,10 @@
     "cap": "Cap",
     "capInstanceURL": "Instance URL",
     "capInstanceURLDes": "The URL of your self-hosted Cap server. For more details, see the <0>standalone mode documentation</0>.",
-    "capKeyID": "Key ID",
-    "capKeyIDDes": "The key ID from your Cap server dashboard.",
-    "capKeySecret": "Key Secret",
-    "capKeySecretDes": "The key secret from your Cap server dashboard.",
+    "capSiteKey": "Site Key",
+    "capSiteKeyDes": "The site key from your Cap server dashboard.",
+    "capSecretKey": "Secret Key",
+    "capSecretKeyDes": "The secret key from your Cap server dashboard.",
     "captchaProvider": "Captcha provider",
     "captchaWidth": "Width",
     "captchaHeight": "Height",
diff --git a/public/locales/ja-JP/dashboard.json b/public/locales/ja-JP/dashboard.json
index 3ffa102..6664f46 100644
--- a/public/locales/ja-JP/dashboard.json
+++ b/public/locales/ja-JP/dashboard.json
@@ -431,10 +431,10 @@
     "cap": "Cap",
     "capInstanceURL": "インスタンス URL",
     "capInstanceURLDes": "自身でホストしている Cap サーバーの URL。詳細については、<0>スタンドアロンモードドキュメント</0> を参照してください。",
-    "capKeyID": "キー ID",
-    "capKeyIDDes": "Cap サーバーダッシュボードから取得したキー ID。",
-    "capKeySecret": "キーシークレット",
-    "capKeySecretDes": "Cap サーバーダッシュボードから取得したキーシークレット。",
+    "capSiteKey": "サイトキー",
+    "capSiteKeyDes": "Cap サーバーダッシュボードから取得したサイトキー。",
+    "capSecretKey": "シークレットキー",
+    "capSecretKeyDes": "Cap サーバーダッシュボードから取得したシークレットキー。",
     "captchaProvider": "認証コードタイプ",
     "captchaWidth": "幅",
     "captchaHeight": "高さ",
diff --git a/public/locales/zh-CN/dashboard.json b/public/locales/zh-CN/dashboard.json
index cba5119..05440e7 100644
--- a/public/locales/zh-CN/dashboard.json
+++ b/public/locales/zh-CN/dashboard.json
@@ -431,10 +431,10 @@
     "cap": "Cap",
     "capInstanceURL": "实例 URL",
     "capInstanceURLDes": "自部署 Cap 服务器的 URL 地址。详细信息请参考 <0>独立模式文档</0>。",
-    "capKeyID": "密钥 ID",
-    "capKeyIDDes": "从 Cap 服务器控制面板获取的密钥 ID。",
-    "capKeySecret": "密钥密码",
-    "capKeySecretDes": "从 Cap 服务器控制面板获取的密钥密码。",
+    "capSiteKey": "站点密钥",
+    "capSiteKeyDes": "从 Cap 服务器控制面板获取的站点密钥。",
+    "capSecretKey": "私密密钥",
+    "capSecretKeyDes": "从 Cap 服务器控制面板获取的私密密钥。",
     "captchaProvider": "验证码类型",
     "captchaWidth": "宽度",
     "captchaHeight": "高度",
diff --git a/public/locales/zh-TW/dashboard.json b/public/locales/zh-TW/dashboard.json
index e25dc8f..c2265b6 100644
--- a/public/locales/zh-TW/dashboard.json
+++ b/public/locales/zh-TW/dashboard.json
@@ -428,10 +428,10 @@
     "cap": "Cap",
     "capInstanceURL": "實例 URL",
     "capInstanceURLDes": "自部署 Cap 伺服器的 URL 地址。詳細資訊請參考 <0>獨立模式文檔</0>。",
-    "capKeyID": "金鑰 ID",
-    "capKeyIDDes": "從 Cap 伺服器控制面板獲取的金鑰 ID。",
-    "capKeySecret": "金鑰密碼",
-    "capKeySecretDes": "從 Cap 伺服器控制面板獲取的金鑰密碼。",
+    "capSiteKey": "站點金鑰",
+    "capSiteKeyDes": "從 Cap 伺服器控制面板獲取的站點金鑰。",
+    "capSecretKey": "私密金鑰",
+    "capSecretKeyDes": "從 Cap 伺服器控制面板獲取的私密金鑰。",
     "captchaProvider": "驗證碼型別",
     "captchaWidth": "寬度",
     "captchaHeight": "高度",
diff --git a/src/api/site.ts b/src/api/site.ts
index aecb4fd..dbd8ba4 100644
--- a/src/api/site.ts
+++ b/src/api/site.ts
@@ -24,8 +24,8 @@ export interface SiteConfig {
   captcha_type?: CaptchaType;
   turnstile_site_id?: string;
   captcha_cap_instance_url?: string;
-  captcha_cap_key_id?: string;
-  captcha_cap_key_secret?: string;
+  captcha_cap_site_key?: string;
+  captcha_cap_secret_key?: string;
   register_enabled?: boolean;
   logo?: string;
   logo_light?: string;
diff --git a/src/component/Admin/Settings/Captcha/CapCaptcha.tsx b/src/component/Admin/Settings/Captcha/CapCaptcha.tsx
index d6c27dd..907e15b 100644
--- a/src/component/Admin/Settings/Captcha/CapCaptcha.tsx
+++ b/src/component/Admin/Settings/Captcha/CapCaptcha.tsx
@@ -32,38 +32,38 @@ const CapCaptcha = ({ values, setSettings }: CapCaptchaProps) => {
             <Trans
               i18nKey="settings.capInstanceURLDes"
               ns={"dashboard"}
-              components={[<Link key={0} href={"https://capjs.js.org/guide/standalone.html"} target={"_blank"} />]}
+              components={[<Link key={0} href={"https://capjs.js.org/guide/standalone/"} target={"_blank"} />]}
             />
           </NoMarginHelperText>
         </FormControl>
       </SettingForm>
-      <SettingForm title={t("settings.capKeyID")} lgWidth={5}>
+      <SettingForm title={t("settings.capSiteKey")} lgWidth={5}>
         <FormControl fullWidth>
           <DenseFilledTextField
-            value={values.captcha_cap_key_id}
+            value={values.captcha_cap_site_key}
             onChange={(e) =>
               setSettings({
-                captcha_cap_key_id: e.target.value,
+                captcha_cap_site_key: e.target.value,
               })
             }
             required
           />
           <NoMarginHelperText>
             <Trans
-              i18nKey="settings.capKeyIDDes"
+              i18nKey="settings.capSiteKeyDes"
               ns={"dashboard"}
-              components={[<Link key={0} href={"https://capjs.js.org/guide/standalone.html"} target={"_blank"} />]}
+              components={[<Link key={0} href={"https://capjs.js.org/guide/standalone/"} target={"_blank"} />]}
             />
           </NoMarginHelperText>
         </FormControl>
       </SettingForm>
-      <SettingForm title={t("settings.capKeySecret")} lgWidth={5}>
+      <SettingForm title={t("settings.capSecretKey")} lgWidth={5}>
         <FormControl fullWidth>
           <DenseFilledTextField
-            value={values.captcha_cap_key_secret}
+            value={values.captcha_cap_secret_key}
             onChange={(e) =>
               setSettings({
-                captcha_cap_key_secret: e.target.value,
+                captcha_cap_secret_key: e.target.value,
               })
             }
             type="password"
@@ -71,9 +71,9 @@ const CapCaptcha = ({ values, setSettings }: CapCaptchaProps) => {
           />
           <NoMarginHelperText>
             <Trans
-              i18nKey="settings.capKeySecretDes"
+              i18nKey="settings.capSecretKeyDes"
               ns={"dashboard"}
-              components={[<Link key={0} href={"https://capjs.js.org/guide/standalone.html"} target={"_blank"} />]}
+              components={[<Link key={0} href={"https://capjs.js.org/guide/standalone/"} target={"_blank"} />]}
             />
           </NoMarginHelperText>
         </FormControl>
diff --git a/src/component/Admin/Settings/Settings.tsx b/src/component/Admin/Settings/Settings.tsx
index ee07f15..f054862 100644
--- a/src/component/Admin/Settings/Settings.tsx
+++ b/src/component/Admin/Settings/Settings.tsx
@@ -222,8 +222,8 @@ const Settings = () => {
                     "captcha_turnstile_site_key",
                     "captcha_turnstile_site_secret",
                     "captcha_cap_instance_url",
-                    "captcha_cap_key_id",
-                    "captcha_cap_key_secret",
+                    "captcha_cap_site_key",
+                    "captcha_cap_secret_key",
                   ]}
                 >
                   <Captcha />
diff --git a/src/component/Common/Captcha/CapCaptcha.tsx b/src/component/Common/Captcha/CapCaptcha.tsx
index 2f4d87a..6787d8e 100644
--- a/src/component/Common/Captcha/CapCaptcha.tsx
+++ b/src/component/Common/Captcha/CapCaptcha.tsx
@@ -21,7 +21,7 @@ const CapCaptcha = ({ onStateChange, generation, fullWidth, ...rest }: CapProps
   const { t } = useTranslation("common");
 
   const capInstanceURL = useAppSelector((state) => state.siteConfig.basic.config.captcha_cap_instance_url);
-  const capKeyID = useAppSelector((state) => state.siteConfig.basic.config.captcha_cap_key_id);
+  const capSiteKey = useAppSelector((state) => state.siteConfig.basic.config.captcha_cap_site_key);
 
   // Keep callback reference up to date
   useEffect(() => {
@@ -72,7 +72,7 @@ const CapCaptcha = ({ onStateChange, generation, fullWidth, ...rest }: CapProps
   };
 
   const createWidget = () => {
-    if (!captchaRef.current || !capInstanceURL || !capKeyID) {
+    if (!captchaRef.current || !capInstanceURL || !capSiteKey) {
       return;
     }
 
@@ -87,7 +87,10 @@ const CapCaptcha = ({ onStateChange, generation, fullWidth, ...rest }: CapProps
 
     if (typeof window !== "undefined" && (window as any).Cap) {
       const widget = document.createElement("cap-widget");
-      widget.setAttribute("data-cap-api-endpoint", `${capInstanceURL.replace(/\/$/, "")}/${capKeyID}/api/`);
+
+      // Cap 2.0 API format: {instanceURL}/{siteKey}/
+      const apiEndpoint = `${capInstanceURL.replace(/\/$/, "")}/${capSiteKey}/`;
+      widget.setAttribute("data-cap-api-endpoint", apiEndpoint);
       widget.id = "cap-widget";
 
       // Set internationalization attributes (Cap official i18n format)
@@ -120,7 +123,7 @@ const CapCaptcha = ({ onStateChange, generation, fullWidth, ...rest }: CapProps
   }, [generation, t]);
 
   useEffect(() => {
-    if (!capInstanceURL || !capKeyID) {
+    if (!capInstanceURL || !capSiteKey) {
       return;
     }
 
@@ -163,9 +166,9 @@ const CapCaptcha = ({ onStateChange, generation, fullWidth, ...rest }: CapProps
         captchaRef.current.innerHTML = "";
       }
     };
-  }, [capInstanceURL, capKeyID, t]);
+  }, [capInstanceURL, capSiteKey, t]);
 
-  if (!capInstanceURL || !capKeyID) {
+  if (!capInstanceURL || !capSiteKey) {
     return null;
   }