diff --git a/video-gen-admin/src/pages/AdminPaymentConfig.tsx b/video-gen-admin/src/pages/AdminPaymentConfig.tsx
index 511ae365..d8353f8f 100644
--- a/video-gen-admin/src/pages/AdminPaymentConfig.tsx
+++ b/video-gen-admin/src/pages/AdminPaymentConfig.tsx
@@ -235,11 +235,23 @@ const AdminPaymentConfig: React.FC = () => {
           <Form.Item name="alipay_app_id" label="AppID">
             <Input placeholder="支付宝应用AppID" size="large" disabled={!alipayEnabled} />
           </Form.Item>
-          <Form.Item name="alipay_private_key" label="应用私钥">
-            <Input.TextArea rows={3} placeholder="支付宝应用私钥 (PKCS8格式)" disabled={!alipayEnabled} />
+          <Form.Item 
+            name="alipay_private_key" 
+            label="应用私钥"
+            extra="支付宝应用私钥（PKCS8格式），不需要添加头部和尾部标记，直接粘贴私钥内容"
+          >
+            <Input.TextArea rows={4} placeholder="
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQC...
+            " disabled={!alipayEnabled} />
           </Form.Item>
-          <Form.Item name="alipay_public_key" label="支付宝公钥">
-            <Input.TextArea rows={3} placeholder="支付宝公钥" disabled={!alipayEnabled} />
+          <Form.Item 
+            name="alipay_public_key" 
+            label="支付宝公钥"
+            extra="从支付宝开放平台获取的支付宝公钥，不需要添加头部和尾部标记"
+          >
+            <Input.TextArea rows={4} placeholder="
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA...
+            " disabled={!alipayEnabled} />
           </Form.Item>
           <Form.Item name="alipay_gateway" label="网关地址" extra="正式环境: https://openapi.alipay.com/gateway.do  沙箱环境: https://openapi-sandbox.dl.alipaydev.com/gateway.do">
             <Input placeholder="https://openapi.alipay.com/gateway.do" size="large" disabled={!alipayEnabled} />
diff --git a/video-gen-api/app/services/payment.py b/video-gen-api/app/services/payment.py
index b38f5600..28bbb017 100644
--- a/video-gen-api/app/services/payment.py
+++ b/video-gen-api/app/services/payment.py
@@ -211,6 +211,28 @@ _alipay_client = None
 _alipay_client_app_id = None
 
 
+def _format_alipay_key(key: str) -> str:
+    """
+    格式化支付宝密钥，移除PEM头部和尾部，并清理所有空白字符。
+    """
+    if not key:
+        return ""
+    # 移除首尾空白
+    key = key.strip()
+    # 移除 PEM 头部和尾部
+    key = key.replace("-----BEGIN RSA PRIVATE KEY-----", "")
+    key = key.replace("-----BEGIN PRIVATE KEY-----", "")
+    key = key.replace("-----END RSA PRIVATE KEY-----", "")
+    key = key.replace("-----END PRIVATE KEY-----", "")
+    key = key.replace("-----BEGIN PUBLIC KEY-----", "")
+    key = key.replace("-----END PUBLIC KEY-----", "")
+    key = key.replace("-----BEGIN ALIPAY PUBLIC KEY-----", "")
+    key = key.replace("-----END ALIPAY PUBLIC KEY-----", "")
+    # 移除所有空白字符（换行、空格、制表符等）
+    key = "".join(key.split())
+    return key
+
+
 def _get_alipay_client(app_id: str, private_key: str, public_key: str, gateway: str = ""):
     """Get or create an Alipay client. Recreated if app_id changes."""
     global _alipay_client, _alipay_client_app_id
@@ -228,18 +250,23 @@ def _get_alipay_client(app_id: str, private_key: str, public_key: str, gateway:
         )
         return None
 
+    # 格式化私钥和公钥
+    formatted_private_key = _format_alipay_key(private_key)
+    formatted_public_key = _format_alipay_key(public_key)
+    
     config = AlipayClientConfig()
     config.server_url = gateway or "https://openapi.alipay.com/gateway.do"
     config.app_id = app_id
-    config.app_private_key = private_key
-    config.alipay_public_key = public_key
+    config.app_private_key = formatted_private_key
+    config.alipay_public_key = formatted_public_key
     config.sign_type = "RSA2"
     config.charset = "utf-8"
     
     try:
         _alipay_client = DefaultAlipayClient(config, logger)
         _alipay_client_app_id = app_id
-    except Exception:
+        logger.info("Alipay client initialized successfully")
+    except Exception as e:
         logger.exception("Failed to initialize Alipay client")
         _alipay_client = None
         _alipay_client_app_id = None
@@ -505,7 +532,7 @@ async def _close_wechat_order(db: AsyncSession, order: PaymentOrder, db_configs:
 
     try:
         code, result = client.close(out_trade_no=order.order_no)
-        if code == 200:
+        if code == 204:
             logger.info(f"WeChat order closed: order_no={order.order_no}")
             return True
         else: