diff --git a/BBDown/BBDown.csproj b/BBDown/BBDown.csproj
index 950f6464e..a7e99a8a7 100644
--- a/BBDown/BBDown.csproj
+++ b/BBDown/BBDown.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
-    <Version>1.4.5</Version>
+    <Version>1.4.6</Version>
     <Description>BBDown是一个免费且便捷高效的哔哩哔哩下载/解析软件.</Description>
     <PackageProjectUrl>https://github.com/nilaoda/BBDown</PackageProjectUrl>
     <StartupObject></StartupObject>
diff --git a/BBDown/BBDownUtil.cs b/BBDown/BBDownUtil.cs
index 0b1054600..768bd1941 100644
--- a/BBDown/BBDownUtil.cs
+++ b/BBDown/BBDownUtil.cs
@@ -237,7 +237,7 @@ public static async Task<string> FixAvidAsync(string avid)
                 json = await GetWebSourceAsync(api);
                 using var infoJson = JsonDocument.Parse(json);
                 var data = infoJson.RootElement.GetProperty("data");
-                if (data.GetProperty("redirect_url").ToString().Contains("bangumi"))
+                if (data.TryGetProperty("redirect_url", out _) && data.GetProperty("redirect_url").ToString().Contains("bangumi")) 
                 {
                     var epId = Regex.Match(data.GetProperty("redirect_url").ToString(), "ep(\\d+)").Groups[1].Value;
                     return $"ep:{epId}";