diff --git a/src/main/java/com/yolo/keyborad/config/LLMConfig.java b/src/main/java/com/yolo/keyborad/config/LLMConfig.java
index eb08d6f..a8b97ff 100644
--- a/src/main/java/com/yolo/keyborad/config/LLMConfig.java
+++ b/src/main/java/com/yolo/keyborad/config/LLMConfig.java
@@ -12,6 +12,9 @@ import org.springframework.ai.retry.RetryUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.util.MultiValueMap;
+
+import java.util.Map;
 
 
 /*
@@ -32,6 +35,7 @@ public class LLMConfig {
     public OpenAiApi openAiApi() {
         return OpenAiApi.builder()
                 .apiKey(apiKey)
+                .headers(MultiValueMap.fromSingleValue(Map.of("X-Title", "key of love")))
                 .baseUrl(baseUrl)
                 .build();
     }
diff --git a/src/main/java/com/yolo/keyborad/controller/AppleReceiptController.java b/src/main/java/com/yolo/keyborad/controller/AppleReceiptController.java
index c42b9bf..21160cc 100644
--- a/src/main/java/com/yolo/keyborad/controller/AppleReceiptController.java
+++ b/src/main/java/com/yolo/keyborad/controller/AppleReceiptController.java
@@ -36,6 +36,7 @@ public class AppleReceiptController {
     private final ApplePurchaseService applePurchaseService;
     private final SignedDataVerifier signedDataVerifier;
 
+
     public AppleReceiptController(AppleReceiptService appleReceiptService,
                                   ApplePurchaseService applePurchaseService,
                                   SignedDataVerifier signedDataVerifier) {
@@ -83,12 +84,13 @@ public class AppleReceiptController {
      */
     @PostMapping("/notification")
     public BaseResponse<Boolean> receiveNotification(@RequestBody Map<String, String> body, HttpServletRequest request) {
+
+
         if (body == null) {
             throw new BusinessException(ErrorCode.PARAMS_ERROR, "body 不能为空");
         }
         // 从请求体中获取 Apple 签名的载荷
         String signedPayload = body.get("signedPayload");
-        
         // 校验 signedPayload 是否为空
         if (signedPayload == null || signedPayload.isBlank()) {
             throw new BusinessException(ErrorCode.PARAMS_ERROR, "signedPayload 不能为空");
diff --git a/src/main/java/com/yolo/keyborad/service/impl/ApplePurchaseServiceImpl.java b/src/main/java/com/yolo/keyborad/service/impl/ApplePurchaseServiceImpl.java
index d3d4c17..ba870f8 100644
--- a/src/main/java/com/yolo/keyborad/service/impl/ApplePurchaseServiceImpl.java
+++ b/src/main/java/com/yolo/keyborad/service/impl/ApplePurchaseServiceImpl.java
@@ -70,6 +70,7 @@ public class ApplePurchaseServiceImpl implements ApplePurchaseService {
     public void processPurchase(Long userId, AppleReceiptValidationResult validationResult) {
         // 1. 校验收据有效性
         if (validationResult == null || !validationResult.isValid()) {
+            log.error("Invalid receipt, reason={}", validationResult.getReason());
             throw new BusinessException(ErrorCode.RECEIPT_INVALID);
         }
         
diff --git a/src/main/java/com/yolo/keyborad/service/impl/AppleReceiptServiceImpl.java b/src/main/java/com/yolo/keyborad/service/impl/AppleReceiptServiceImpl.java
index 6754eee..0001e2d 100644
--- a/src/main/java/com/yolo/keyborad/service/impl/AppleReceiptServiceImpl.java
+++ b/src/main/java/com/yolo/keyborad/service/impl/AppleReceiptServiceImpl.java
@@ -86,6 +86,8 @@ public class AppleReceiptServiceImpl implements AppleReceiptService {
         try {
             // 1. 从收据里解析出 transactionId（不做验证，只是解析 ASN.1）
             String transactionId = receiptUtility.extractTransactionIdFromAppReceipt(appReceipt);
+//            todo  验证服务器传输的transactionId
+//            String transactionId = receiptUtility.extractTransactionIdFromTransactionReceipt(appReceipt);
             if (transactionId == null) {
                 return invalid("no_transaction_id_in_receipt");
             }
@@ -193,6 +195,7 @@ public class AppleReceiptServiceImpl implements AppleReceiptService {
         // 有 expiresDate 的一般是订阅（自动续订等），过期就无效
         if (payload.getExpiresDate() != null) {
             long now = System.currentTimeMillis();
+            log.error("Now Date:{} ,Expires Date: {}",now, payload.getExpiresDate());
             return now < payload.getExpiresDate();
         }
 
diff --git a/src/main/java/com/yolo/keyborad/utils/JwtParser.java b/src/main/java/com/yolo/keyborad/utils/JwtParser.java
index b6fc4d8..22970c6 100644
--- a/src/main/java/com/yolo/keyborad/utils/JwtParser.java
+++ b/src/main/java/com/yolo/keyborad/utils/JwtParser.java
@@ -56,9 +56,20 @@ public class JwtParser {
 
         // 获取第一个证书（Base64 编码，标准格式非URL安全格式）
         String certBase64 = x5cArray.getString(0);
-        
+
+        // 调试信息
+        System.out.println("Cert Base64 length: " + certBase64.length());
+        System.out.println("First 50 chars: " + certBase64.substring(0, Math.min(50, certBase64.length())));
+
         // x5c 中的证书使用标准 Base64 编码（非 URL 安全编码）
-        byte[] certBytes = Base64.getDecoder().decode(certBase64);
+        byte[] certBytes;
+        try {
+            certBytes = Base64.getDecoder().decode(certBase64);  // 使用标准 Base64 解码
+            System.out.println("Decoded cert bytes length: " + certBytes.length);
+        } catch (IllegalArgumentException e) {
+            System.err.println("Base64 decode error: " + e.getMessage());
+            throw new Exception("Failed to decode certificate from x5c", e);
+        }
 
         // 生成 X509 证书并提取公钥
         CertificateFactory certFactory = CertificateFactory.getInstance("X.509");