diff --git a/VERSION b/VERSION
index 739323d..0e83a9a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.13.1.1
+2.13.2
diff --git a/src/providers/provider-pool-manager.js b/src/providers/provider-pool-manager.js
index 25609cd..2fc0c33 100644
--- a/src/providers/provider-pool-manager.js
+++ b/src/providers/provider-pool-manager.js
@@ -1985,6 +1985,22 @@ export class ProviderPoolManager {
             });
             return requests;
         }
+
+        // Codex OAuth 健康检查直接调用原生适配器，需要使用 Codex responses 原生 input 格式
+        if (this._getBaseProviderType(providerType) === MODEL_PROVIDER.CODEX_API) {
+            requests.push({
+                model: modelName,
+                input: [{
+                    type: 'message',
+                    role: 'user',
+                    content: [{
+                        type: 'input_text',
+                        text: baseMessage.content
+                    }]
+                }]
+            });
+            return requests;
+        }
         
         // 其他提供商（OpenAI、Claude、Qwen）使用标准 messages 格式
         requests.push({