diff --git a/backend/package.json b/backend/package.json
index b439223..e1ea87d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.108",
+  "version": "2.14.109",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {
diff --git a/backend/src/core/proxy-utils/preprocessors/index.js b/backend/src/core/proxy-utils/preprocessors/index.js
index c023cb2..f495d59 100644
--- a/backend/src/core/proxy-utils/preprocessors/index.js
+++ b/backend/src/core/proxy-utils/preprocessors/index.js
@@ -25,7 +25,10 @@ function Base64Encoded() {
     ];
 
     const test = function (raw) {
-        return keys.some((k) => raw.indexOf(k) !== -1);
+        return (
+            !/^\w+:\/\/\w+/im.test(raw) &&
+            keys.some((k) => raw.indexOf(k) !== -1)
+        );
     };
     const parse = function (raw) {
         raw = Base64.decode(raw);