feat: 下载订阅日志中增加请求的 User-Agent

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.314",
+  "version": "2.14.315",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {

backend/src/restful/download.js

@@ -55,7 +55,11 @@ async function downloadSubscription(req, res) {
     const platform =
         req.query.target || getPlatformFromHeaders(req.headers) || 'JSON';
 
-    $.info(`正在下载订阅：${name}`);
+    $.info(
+        `正在下载订阅：${name}\n请求 User-Agent: ${
+            req.headers['user-agent'] || req.headers['User-Agent']
+        }`,
+    );
     let {
         url,
         ua,
@@ -228,7 +232,11 @@ async function downloadCollection(req, res) {
     const allCols = $.read(COLLECTIONS_KEY);
     const collection = findByName(allCols, name);
 
-    $.info(`正在下载组合订阅：${name}`);
+    $.info(
+        `正在下载组合订阅：${name}\n请求 User-Agent: ${
+            req.headers['user-agent'] || req.headers['User-Agent']
+        }`,
+    );
 
     let {
         ignoreFailedRemoteSub,