diff --git a/app/service/OssService.php b/app/service/OssService.php
index f95ad54..e8e7452 100644
--- a/app/service/OssService.php
+++ b/app/service/OssService.php
@@ -15,11 +15,26 @@ class OssService
 
     public function __construct()
     {
-        $this->accessKeyId = env('OSS_ACCESS_KEY_ID');
-        $this->accessKeySecret = env('OSS_ACCESS_KEY_SECRET');
-        $this->bucket = env('OSS_BUCKET', 'vehicle-album');
-        $this->endpoint = env('OSS_ENDPOINT', 'https://oss-cn-beijing.aliyuncs.com');
-        $this->ossClient = new OssClient($this->accessKeyId, $this->accessKeySecret, $this->endpoint);
+        try {
+            $this->accessKeyId = env('OSS_ACCESS_KEY_ID');
+            $this->accessKeySecret = env('OSS_ACCESS_KEY_SECRET');
+            $this->bucket = env('OSS_BUCKET', 'vehicle-album');
+            $this->endpoint = env('OSS_ENDPOINT', 'https://oss-cn-beijing.aliyuncs.com');
+            
+            // 记录配置信息
+            error_log("OSS Configuration:");
+            error_log("AccessKeyId: " . substr($this->accessKeyId, 0, 4) . "****");
+            error_log("Bucket: " . $this->bucket);
+            error_log("Endpoint: " . $this->endpoint);
+            
+            $this->ossClient = new OssClient($this->accessKeyId, $this->accessKeySecret, $this->endpoint);
+            
+            // 测试连接
+            $this->ossClient->doesBucketExist($this->bucket);
+        } catch (OssException $e) {
+            error_log("OSS Client Initialization Error: " . $e->getMessage());
+            throw new \RuntimeException('OSS Client Initialization Error: ' . $e->getMessage());
+        }
     }
 
     /**
@@ -49,7 +64,19 @@ class OssService
      */
     public function generatePrivateUrl($objectKey, $expireTime = 3600)
     {
-        // 生成 OSS 私有 URL（有效期为 3600 秒）
-        return $this->ossClient->signUrl($this->bucket, $objectKey, $expireTime);
+        try {
+            // 生成 OSS 私有 URL（有效期为 3600 秒）
+            $url = $this->ossClient->signUrl($this->bucket, $objectKey, $expireTime);
+            // 记录调试信息
+            error_log("OSS URL Generation Debug:");
+            error_log("Bucket: " . $this->bucket);
+            error_log("ObjectKey: " . $objectKey);
+            error_log("ExpireTime: " . $expireTime);
+            error_log("Generated URL: " . $url);
+            return $url;
+        } catch (OssException $e) {
+            error_log("OSS Error: " . $e->getMessage());
+            throw new \RuntimeException('OSS Error: ' . $e->getMessage());
+        }
     }
 }
\ No newline at end of file