Build fix

Author: FangkuaiYa

nuget.config

@@ -3,6 +3,8 @@
 <configuration>
     <packageSources>
         <add key="BepInEx" value="https://nuget.bepinex.dev/v3/index.json" />
+        <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
         <add key="Reactor" value="https://nuget.reactor.gg/v3/index.json" />
+        <add key="Samboy063" value="https://nuget.samboy.dev/v3/index.json" />
     </packageSources>
-</configuration> 
+</configuration>