diff --git a/v2rayN/v2rayN/Handler/LazyConfig.cs b/v2rayN/v2rayN/Handler/LazyConfig.cs
index 89953f82..d57f4bfa 100644
--- a/v2rayN/v2rayN/Handler/LazyConfig.cs
+++ b/v2rayN/v2rayN/Handler/LazyConfig.cs
@@ -12,6 +12,7 @@ namespace v2rayN.Handler
         public static LazyConfig Instance => _instance.Value;
 
         private int? _statePort;
+
         public int StatePort
         {
             get
@@ -349,7 +350,7 @@ namespace v2rayN.Handler
             {
                 coreType = ECoreType.mihomo,
                 coreExes = new List<string> { $"mihomo-windows-amd64{(Avx2.X64.IsSupported ? "" : "-compatible")}", "mihomo-windows-amd64-compatible", "mihomo-windows-amd64", "mihomo-windows-386", "mihomo", "clash" },
-                arguments = "-f config.yaml",
+                arguments = "-f config.json",
                 coreUrl = Global.MihomoCoreUrl,
                 coreReleaseApiUrl = Global.MihomoCoreUrl.Replace(Global.GithubUrl, Global.GithubApiUrl),
                 match = "Mihomo",
diff --git a/v2rayN/v2rayN/Handler/UpdateHandle.cs b/v2rayN/v2rayN/Handler/UpdateHandle.cs
index bf541c0b..24d62a02 100644
--- a/v2rayN/v2rayN/Handler/UpdateHandle.cs
+++ b/v2rayN/v2rayN/Handler/UpdateHandle.cs
@@ -54,7 +54,7 @@ namespace v2rayN.Handler
                             StartInfo = new ProcessStartInfo
                             {
                                 FileName = "v2rayUpgrade.exe",
-                                Arguments = fileName.AppendQuotes(),                                
+                                Arguments = fileName.AppendQuotes(),
                                 WorkingDirectory = Utils.StartupPath()
                             }
                         };
@@ -392,6 +392,7 @@ namespace v2rayN.Handler
 
                     case ECoreType.clash:
                     case ECoreType.clash_meta:
+                    case ECoreType.mihomo:
                         version = Regex.Match(echo, $"v[0-9.]+").Groups[0].Value;
                         break;
 
@@ -453,6 +454,7 @@ namespace v2rayN.Handler
                         }
                     case ECoreType.clash:
                     case ECoreType.clash_meta:
+                    case ECoreType.mihomo:
                         {
                             curVersion = getCoreVersion(type);
                             message = string.Format(ResUI.IsLatestCore, type, curVersion);