diff --git a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java
index c647474..f9462e4 100644
--- a/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java
+++ b/LLRiseTabBarDemo/app/src/main/java/com/startsmake/llrisetabbardemo/activity/MainActivity.java
@@ -3,9 +3,7 @@ package com.startsmake.llrisetabbardemo.activity;
 import android.os.Bundle;
 import android.view.View;
 
-import androidx.appcompat.app.AppCompatActivity;
-import  androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentTransaction;
+
 
 import com.startsmake.llrisetabbardemo.R;
 import com.startsmake.llrisetabbardemo.fragment.CityFragment;