为什么这段代码不走else这里??大神帮帮忙

package com.wwz.htmlview;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

import com.wwz.htmlview.util.StreamTools;

import android.app.Activity;
import android.app.ProgressDialog;
import android.drm.ProcessedData;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Process;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
private EditText et_1;
private Button bt_1;
private TextView tv_1;
private ProgressDialog pd;

protected static final int SUCCESS = 1;
protected static final int ERROR = 2;
protected static final int ERROR1 = 3;
private Handler handler = new Handler() {
    public void handleMessage(android.os.Message msg) {
        pd.dismiss();
        switch (msg.what) {
        case SUCCESS:
            tv_1.setText((String) msg.obj);
            break;

case ERROR:

Toast.makeText(MainActivity.this, "获取html源码失败", 0).show();

break;

        case ERROR1:
            Toast.makeText(MainActivity.this, "无网络", 0).show();
            break;
            }

    };

};

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    et_1 = (EditText) findViewById(R.id.et_1);
    bt_1 = (Button) findViewById(R.id.bt_1);
    tv_1 = (TextView) findViewById(R.id.tv_1);

    bt_1.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            final String path = et_1.getText().toString().trim();
            if (TextUtils.isEmpty(path)) {
                Toast.makeText(MainActivity.this, "输入的路径不能为空", 0).show();
                return;
            }
            // 进度条
            pd = new ProgressDialog(MainActivity.this);
            pd.setMessage("正在获取");
            pd.show();
            new Thread() {

                public void run() {
                    try {
                        URL url = new URL(path);
                        HttpURLConnection conn = (HttpURLConnection) url
                                .openConnection();
                        conn.setRequestMethod("GET");
                        conn.setConnectTimeout(3000);

                        int code = conn.getResponseCode();
                        if (code == 200) {
                            InputStream is = conn.getInputStream();
                            //此处是调用了另外一个工具类
                            String result = StreamTools.readStream(is);
                            Message message = Message.obtain();
                            message.what = SUCCESS;
                            message.obj=result;
                            handler.sendMessage(message);

} else {

Message message = Message.obtain();

message.what = ERROR;

handler.sendMessage(message);

}

                    } catch (Exception e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                        Message message = Message.obtain();
                        message.what = ERROR1;
                        handler.sendMessage(message);

                    }
                };
            }.start();
        }
    });

}

}

用debug在解析结果码的地方打个断点，同时在if和else的地方也打个断点，看结果码不为200时，向不向下正常走