diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3a84a5392..6195fc210 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,7 +23,7 @@ jobs:
       uses: robinraju/release-downloader@v1.10
       with:
         repository: 'MetaCubeX/mihomo'
-        tag: "v1.18.3"
+        tag: "v1.18.4"
         fileName: ".*darwin.*64-v.*.gz"
 
         # releaseId: "62870807"
diff --git a/ClashX/General/AlphaMetaDownloader.swift b/ClashX/General/AlphaMetaDownloader.swift
index dff8ac6af..9e642ebc4 100644
--- a/ClashX/General/AlphaMetaDownloader.swift
+++ b/ClashX/General/AlphaMetaDownloader.swift
@@ -80,8 +80,12 @@ class AlphaMetaDownloader: NSObject {
 		Promise { resolver in
 			let assetName = assetName()
 			AF.request("https://api.github.com/repos/MetaCubeX/mihomo/releases/tags/Prerelease-Alpha").responseDecodable(of: ReleasesResp.self) {
-				guard let assets = $0.value?.assets,
-					  let assetName,
+				guard let assets = $0.value?.assets else {
+					resolver.reject(errors.downloadFailed)
+					return
+				}
+				
+				guard let assetName,
 					  let asset = assets.first(where: {
 						  $0.name.contains(assetName) &&
 						  !$0.name.contains("cgo") &&