diff --git a/src/components/ProviderForm.tsx b/src/components/ProviderForm.tsx
index 50a2124..39555a8 100644
--- a/src/components/ProviderForm.tsx
+++ b/src/components/ProviderForm.tsx
@@ -1774,6 +1774,11 @@ const ProviderForm: React.FC<ProviderFormProps> = ({
                   autoComplete="off"
                   className="w-full px-3 py-2 border border-gray-200 dark:border-gray-700 dark:bg-gray-800 dark:text-gray-100 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-blue-500/20 dark:focus:ring-blue-400/20 focus:border-blue-500 dark:focus:border-blue-400 transition-colors"
                 />
+                <div className="p-3 bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-700 rounded-lg">
+                  <p className="text-xs text-amber-600 dark:text-amber-400">
+                    {t("providerForm.codexApiHint")}
+                  </p>
+                </div>
               </div>
             )}
 
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index d6cbecb..d3a7507 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -174,6 +174,7 @@
     "fastModelPlaceholder": "e.g., GLM-4.5-Air",
     "modelHint": "💡 Leave blank to use provider's default model",
     "apiHint": "💡 Fill in Claude API compatible service endpoint",
+    "codexApiHint": "💡 Fill in service endpoint compatible with OpenAI Response format",
     "fillSupplierName": "Please fill in provider name",
     "fillConfigContent": "Please fill in configuration content",
     "fillParameter": "Please fill in {{label}}",
diff --git a/src/i18n/locales/zh.json b/src/i18n/locales/zh.json
index f74b043..e4d662b 100644
--- a/src/i18n/locales/zh.json
+++ b/src/i18n/locales/zh.json
@@ -174,6 +174,7 @@
     "fastModelPlaceholder": "例如: GLM-4.5-Air",
     "modelHint": "💡 留空将使用供应商的默认模型",
     "apiHint": "💡 填写兼容 Claude API 的服务端点地址",
+    "codexApiHint": "💡 填写兼容 OpenAI Response 格式的服务端点地址",
     "fillSupplierName": "请填写供应商名称",
     "fillConfigContent": "请填写配置内容",
     "fillParameter": "请填写 {{label}}",