feat: cipher 应为小写

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.14.406",
+  "version": "2.14.407",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
   "main": "src/main.js",
   "scripts": {

backend/src/core/proxy-utils/index.js

@@ -327,6 +327,9 @@ function formatTransportPath(path) {
 }
 
 function lastParse(proxy) {
+    if (typeof proxy.cipher === 'string') {
+        proxy.cipher = proxy.cipher.toLowerCase();
+    }
     if (typeof proxy.password === 'number') {
         proxy.password = numberToString(proxy.password);
     }