使用IF not working in cloudformation模板有条件地设置标签

"Conditions": {
  "IsProduction": {
    "Fn::Equals": [
      {
        "Ref": "Environment"
      },
      "production"
    ]
  }
}

"Resources": {
  "MyEC2Instance": {
    "Type": "AWS::EC2::Instance",
    "Properties": {
      "ImageId": "ami-12345678",
      "InstanceType": "t2.micro",
      "Tags": [
        {
          "Key": "Name",
          "Value": "MyInstance"
        },
        {
          "Key": "Environment",
          "Value": {
            "Fn::If": [
              "IsProduction",
              "production",
              "development"
            ]
          }
        }
      ],
      "UserData": {
        "Fn::Base64": {
          "Fn::Join": [
            "",
            [
              "#!/bin/bash\n",
              "echo 'Hello, World!'"
            ]
          ]
        }
      }
    }
  }
}