Laravel JWT 的 token验证中提示NamshiAdapter does not exist

Question

"ReflectionException"
file:"D:workspacecastlevendorlaravelframeworksrcIlluminateContainerContainer.php"
line:767
message:"Class TymonJWTAuthProvidersJWTNamshiAdapter does not exist"

代码中$token = Auth::guard('web')->attempt($user_info);echo $token;die;