diff --git a/backend/package.json b/backend/package.json
index 209d70b03..0c9bffa10 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.103",
+  "version": "2.14.104",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/restful/preview.js b/backend/src/restful/preview.js
index d8743dca2..97d1b50f8 100644
--- a/backend/src/restful/preview.js
+++ b/backend/src/restful/preview.js
@@ -20,7 +20,13 @@ async function compareSub(req, res) {
             content = sub.content;
         } else {
             try {
-                content = await download(sub.url, sub.ua);
+                content = await Promise.all(
+                    sub.url
+                        .split(/[\r\n]+/)
+                        .map((i) => i.trim())
+                        .filter((i) => i.length)
+                        .map((url) => download(url, sub.ua)),
+                );
             } catch (err) {
                 failed(
                     res,
@@ -34,7 +40,9 @@ async function compareSub(req, res) {
             }
         }
         // parse proxies
-        const original = ProxyUtils.parse(content);
+        const original = (Array.isArray(content) ? content : [content])
+            .map((i) => ProxyUtils.parse(i))
+            .flat();
 
         // add id
         original.forEach((proxy, i) => {
@@ -80,10 +88,18 @@ async function compareCollection(req, res) {
                     if (sub.source === 'local') {
                         raw = sub.content;
                     } else {
-                        raw = await download(sub.url, sub.ua);
+                        raw = await Promise.all(
+                            sub.url
+                                .split(/[\r\n]+/)
+                                .map((i) => i.trim())
+                                .filter((i) => i.length)
+                                .map((url) => download(url, sub.ua)),
+                        );
                     }
                     // parse proxies
-                    let currentProxies = ProxyUtils.parse(raw);
+                    let currentProxies = (Array.isArray(raw) ? raw : [raw])
+                        .map((i) => ProxyUtils.parse(i))
+                        .flat();
 
                     currentProxies.forEach((proxy) => {
                         proxy.subName = sub.name;
diff --git a/backend/src/restful/sync.js b/backend/src/restful/sync.js
index fbff45553..d86074600 100644
--- a/backend/src/restful/sync.js
+++ b/backend/src/restful/sync.js
@@ -30,16 +30,31 @@ async function produceArtifact({ type, name, platform, url, ua, content }) {
         const sub = findByName(allSubs, name);
         let raw;
         if (url) {
-            raw = await download(url, ua);
+            raw = await Promise.all(
+                url
+                    .split(/[\r\n]+/)
+                    .map((i) => i.trim())
+                    .filter((i) => i.length)
+                    .map((url) => download(url, ua)),
+            );
         } else if (content) {
             raw = content;
         } else if (sub.source === 'local') {
             raw = sub.content;
         } else {
-            raw = await download(sub.url, sub.ua);
+            raw = await Promise.all(
+                sub.url
+                    .split(/[\r\n]+/)
+                    .map((i) => i.trim())
+                    .filter((i) => i.length)
+                    .map((url) => download(url, sub.ua)),
+            );
         }
         // parse proxies
-        let proxies = ProxyUtils.parse(raw);
+        let proxies = (Array.isArray(raw) ? raw : [raw])
+            .map((i) => ProxyUtils.parse(i))
+            .flat();
+
         proxies.forEach((proxy) => {
             proxy.subName = sub.name;
         });
@@ -90,10 +105,18 @@ async function produceArtifact({ type, name, platform, url, ua, content }) {
                     if (sub.source === 'local') {
                         raw = sub.content;
                     } else {
-                        raw = await download(sub.url, sub.ua);
+                        raw = await await Promise.all(
+                            sub.url
+                                .split(/[\r\n]+/)
+                                .map((i) => i.trim())
+                                .filter((i) => i.length)
+                                .map((url) => download(url, sub.ua)),
+                        );
                     }
                     // parse proxies
-                    let currentProxies = ProxyUtils.parse(raw);
+                    let currentProxies = (Array.isArray(raw) ? raw : [raw])
+                        .map((i) => ProxyUtils.parse(i))
+                        .flat();
 
                     currentProxies.forEach((proxy) => {
                         proxy.subName = sub.name;