默认应该就是webgl平台

GameClient/ProjectSettings/ProjectSettings.asset

@@ -825,7 +825,7 @@ PlayerSettings:
   suppressCommonWarnings: 1
   allowUnsafeCode: 0
   useDeterministicCompilation: 1
-  selectedPlatform: 2
+  selectedPlatform: 3
   additionalIl2CppArgs: 
   scriptingRuntimeVersion: 1
   gcIncremental: 0