fix: Qiniu 下载改用标准 HttpClient，日志输出完整签名URL

par-core/src/main/java/com/par/core/storage/QiniuStorageService.java

@@ -1,8 +1,6 @@
 package com.par.core.storage;
 
 import com.qiniu.common.QiniuException;
-import com.qiniu.http.Client;
-import com.qiniu.http.Response;
 import com.qiniu.storage.BucketManager;
 import com.qiniu.storage.Configuration;
 import com.qiniu.storage.DownloadUrl;
@@ -12,6 +10,12 @@ import com.qiniu.util.Auth;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.time.Duration;
+
 /**
  * 七牛云存储。
  * 上传使用 UploadManager，下载使用 DownloadUrl + Auth 签名。
@@ -22,7 +26,7 @@ public class QiniuStorageService implements StorageService {
 
     private UploadManager uploadManager;
     private BucketManager bucketManager;
-    private Client qiniuClient;
+    private HttpClient httpClient;
     private Auth auth;
     private String bucket;
     private String downloadDomain;
@@ -57,7 +61,10 @@ public class QiniuStorageService implements StorageService {
         Configuration cfg = new Configuration(region);
         this.uploadManager = new UploadManager(cfg);
         this.bucketManager = new BucketManager(auth, cfg);
-        this.qiniuClient = new Client(cfg);
+        this.httpClient = HttpClient.newBuilder()
+                .connectTimeout(Duration.ofSeconds(5))
+                .followRedirects(HttpClient.Redirect.NORMAL)
+                .build();
         log.info("Qiniu 存储就绪: bucket={}, domain={}", bucket, downloadDomain);
     }
 
@@ -86,16 +93,18 @@ public class QiniuStorageService implements StorageService {
             log.warn("Qiniu stat 失败 {}: {}", path, e.response != null ? e.response.error : e.getMessage());
         }
 
-        // 用 DownloadUrl 生成带签名的下载链接，SDK Client 下载
+        // 用 DownloadUrl 生成带签名的下载链接
         long deadline = System.currentTimeMillis() / 1000 + 3600;
         try {
             DownloadUrl url = new DownloadUrl(downloadDomain, useHttps, path);
             String signedUrl = url.buildURL(auth, deadline);
-            Response resp = qiniuClient.get(signedUrl);
-            if (resp.isOK()) return resp.bodyString();
-            log.warn("Qiniu 下载失败 {}: HTTP {}", path, resp.statusCode);
-        } catch (QiniuException e) {
-            log.warn("Qiniu 下载失败 {}: {}", path, e.response != null ? e.response.error : e.getMessage());
+            var req = HttpRequest.newBuilder().uri(URI.create(signedUrl))
+                    .timeout(Duration.ofSeconds(10)).GET().build();
+            var resp = httpClient.send(req, HttpResponse.BodyHandlers.ofString());
+            if (resp.statusCode() == 200) return resp.body();
+            log.warn("Qiniu 下载失败 {}: HTTP {} url={}", path, resp.statusCode(), signedUrl);
+        } catch (Exception e) {
+            log.warn("Qiniu 下载失败 {}: {}", path, e.getMessage());
         }
         return null;
     }