关于安卓 fragment，FragmentTransaction添加数据错误

Question

详细的出错信息
E/AndroidRuntime(2394): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.fragmenttest1/com.example.fragmenttest1.Main}: java.lang.IllegalArgumentException: No view found for id 0x7f080002 (com.example.fragmenttest1:id/linearlayout1) for fragment MyFragment1{40d115b0 #0 id=0x7f080002 myf1}