diff --git a/xiaoya_proxy/src/main/java/com/ddsrem/xiaoya_proxy/XiaoyaProxyHandler.java b/xiaoya_proxy/src/main/java/com/ddsrem/xiaoya_proxy/XiaoyaProxyHandler.java
index a58ebb635..011995378 100644
--- a/xiaoya_proxy/src/main/java/com/ddsrem/xiaoya_proxy/XiaoyaProxyHandler.java
+++ b/xiaoya_proxy/src/main/java/com/ddsrem/xiaoya_proxy/XiaoyaProxyHandler.java
@@ -155,7 +155,7 @@ private void createDownloadTask(String url, Map<String, String> headers) {
             }
             Request request = requestBuilder.build();
             //不支持断点续传，单线程下载
-            if(!this.supportRange) {
+            if(!this.supportRange || threadNum == 0) {
                 Logger.log(connId + "[createDownloadTask]：单线程模式下载，配置线程数：" + threadNum);
                 Callable<InputStream> callable = () -> {
                     return downloadTask(url, headers, "", 0);