diff --git a/build.gradle.kts b/build.gradle.kts
index b11895c..524d285 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -50,4 +50,5 @@ dependencies {
     implementation ("com.squareup.okhttp3:logging-interceptor:4.9.3")
     implementation ("com.squareup.retrofit2:retrofit:2.9.0")
     implementation ("com.squareup.retrofit2:converter-gson:2.9.0")
+    implementation("org.greenrobot:eventbus:3.3.1")
 }
\ No newline at end of file
diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index 2aa9088..90d5871 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -27,7 +27,19 @@
             android:name=".LoginMainActivity"
             android:exported="false" />
         <activity
-            android:name=".SpActivity"
+            android:name=".Serch"
+            android:exported="false" />
+        <activity
+            android:name=".ViewAction"
+            android:exported="false" />
+        <activity
+            android:name=".Study"
+            android:exported="false" />
+        <activity
+            android:name=".Study_pinglunm"
+            android:exported="false" />
+        <activity
+            android:name=".ViewStart"
             android:exported="false" />
         <activity
             android:name=".welcome"
diff --git a/src/main/java/com/example/liyueling_final/ChangePasswordActivity.java b/src/main/java/com/example/liyueling_final/ChangePasswordActivity.java
index 820e4a7..32fa3bc 100644
--- a/src/main/java/com/example/liyueling_final/ChangePasswordActivity.java
+++ b/src/main/java/com/example/liyueling_final/ChangePasswordActivity.java
@@ -2,13 +2,79 @@ package com.example.liyueling_final;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.animation.ObjectAnimator;
+import android.animation.PropertyValuesHolder;
+import android.animation.ValueAnimator;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
 
 public class ChangePasswordActivity extends AppCompatActivity {
 
+    EditText phone;
+    EditText password;
+    EditText repassword;
+
+    TextView textView;
+    ImageView imageView;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_change_password);
+
+        textView = findViewById(R.id.textView170);
+        imageView = findViewById(R.id.imageView141);
+        phone = findViewById(R.id.phone);
+        password = findViewById(R.id.password1);
+        repassword = findViewById(R.id.password2);
+        textView = findViewById(R.id.textView170);
+        imageView = findViewById(R.id.imageView141);
+
+        PropertyValuesHolder propertyValuesHolder = PropertyValuesHolder.ofFloat("translationY",-100,0);
+        PropertyValuesHolder propertyValuesHolder3 = PropertyValuesHolder.ofFloat("alpha",0,1);
+        PropertyValuesHolder propertyValuesHolder4 = PropertyValuesHolder.ofFloat("rotation",-15,0);
+        ValueAnimator animator = ObjectAnimator.ofPropertyValuesHolder(imageView,propertyValuesHolder,propertyValuesHolder4,propertyValuesHolder3);
+        ValueAnimator animator2 = ObjectAnimator.ofPropertyValuesHolder(textView,propertyValuesHolder,propertyValuesHolder4,propertyValuesHolder3);
+        animator.setDuration(1000);
+        animator.start();
+        animator2.setDuration(1000);
+        animator2.start();
+
+        findViewById(R.id.enter).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                String phoneNumber = phone.getText().toString();
+                String userPassword = password.getText().toString();
+                String reuserPassword = repassword.getText().toString();
+
+                if (phoneNumber.isEmpty() || userPassword.isEmpty() || reuserPassword.isEmpty()) {
+                    Toast.makeText(ChangePasswordActivity.this, "内容不能为空", Toast.LENGTH_SHORT).show();
+                    return;
+                }
+                if (!userPassword.equals(reuserPassword)) {
+                    Toast.makeText(ChangePasswordActivity.this, "两次输入密码不同", Toast.LENGTH_SHORT).show();
+                    return;
+                }
+
+                DBTools dbTools = new DBTools(ChangePasswordActivity.this,"test",null,1);//数据库的名字
+                SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
+                ContentValues contentValues = new ContentValues();
+                contentValues.put("password",userPassword);
+                sqLiteDatabase.update("user", contentValues,
+                        "phone=?", new String[]{phoneNumber});
+
+                Intent intent = new Intent(ChangePasswordActivity.this, LoginMainActivity.class);
+                startActivity(intent);
+                finish();
+            }
+
+        });
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/liyueling_final/DBTools.java b/src/main/java/com/example/liyueling_final/DBTools.java
new file mode 100644
index 0000000..c05e5fe
--- /dev/null
+++ b/src/main/java/com/example/liyueling_final/DBTools.java
@@ -0,0 +1,28 @@
+package com.example.liyueling_final;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+import androidx.annotation.Nullable;
+
+public class DBTools extends SQLiteOpenHelper {
+
+    public DBTools(@Nullable Context context, @Nullable String name, @Nullable SQLiteDatabase.CursorFactory factory, int version) {
+        super(context, name, factory, version);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        //创建数据库和表
+        db.execSQL("create table user(id integer primary key autoincrement,phone varchar(20),password varchar(20) )");
+
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        //更新数据库表的信息
+
+
+    }
+}
diff --git a/src/main/java/com/example/liyueling_final/EnrollActivity.java b/src/main/java/com/example/liyueling_final/EnrollActivity.java
index d8dcc4f..9f61e02 100644
--- a/src/main/java/com/example/liyueling_final/EnrollActivity.java
+++ b/src/main/java/com/example/liyueling_final/EnrollActivity.java
@@ -2,12 +2,19 @@ package com.example.liyueling_final;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.animation.ObjectAnimator;
+import android.animation.PropertyValuesHolder;
+import android.animation.ValueAnimator;
+import android.content.ContentValues;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
 import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import retrofit2.Call;
@@ -20,11 +27,31 @@ public class EnrollActivity extends AppCompatActivity {
     EditText phone;
     EditText password;
     EditText repassword;
+
+    TextView textView;
+    ImageView imageView;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_enroll);
 
+        textView = findViewById(R.id.textView170);
+        imageView = findViewById(R.id.imageView141);
+        phone = findViewById(R.id.phone);
+        password = findViewById(R.id.password1);
+        repassword = findViewById(R.id.password2);
+
+        PropertyValuesHolder propertyValuesHolder = PropertyValuesHolder.ofFloat("translationY", -100, 0);
+        PropertyValuesHolder propertyValuesHolder3 = PropertyValuesHolder.ofFloat("alpha", 0, 1);
+        PropertyValuesHolder propertyValuesHolder4 = PropertyValuesHolder.ofFloat("rotation", -15, 0);
+        ValueAnimator animator = ObjectAnimator.ofPropertyValuesHolder(imageView, propertyValuesHolder, propertyValuesHolder4, propertyValuesHolder3);
+        ValueAnimator animator2 = ObjectAnimator.ofPropertyValuesHolder(textView, propertyValuesHolder, propertyValuesHolder4, propertyValuesHolder3);
+        animator.setDuration(1000);
+        animator.start();
+        animator2.setDuration(1000);
+        animator2.start();
+
         findViewById(R.id.enter).setOnClickListener(new View.OnClickListener() {
 
 
@@ -43,40 +70,24 @@ public class EnrollActivity extends AppCompatActivity {
                     Toast.makeText(EnrollActivity.this, "两次输入密码不同", Toast.LENGTH_SHORT).show();
                     return;
                 }
-                userApi api2 = RetrofitUtils.getRetrofit("https://dev.usemock.com/664ac0559e857b0cdafce629/").create(userApi.class);
-                try {
-                    Call<User> call = api2.Enroll(phoneNumber,userPassword);
-                    call.enqueue(new Callback<User>() {
-                        @Override
-                        public void onResponse(Call<User> call, Response<User> response) {
-                            User user = response.body();
-                            if (user != null && user.password.equals(userPassword)) {
-                                Intent intent = new Intent(EnrollActivity.this, LoginMainActivity.class);
-                                startActivity(intent);
-                                finish();
-                            } else {
-                                // 注册失败
-                                Toast.makeText(EnrollActivity.this, "注册失败", Toast.LENGTH_SHORT).show();
-                            }
 
-                        }
-                        @Override
-                        public void onFailure(Call<User> call, Throwable t) {
-                            Toast.makeText(EnrollActivity.this, "Network error", Toast.LENGTH_SHORT).show();
-                        }
-                    });
-                } catch (Exception e) {
-                    Log.e("YourTag", "Error occurred: " + e.getMessage()); // 打印异常信息
-                }
+                DBTools dbTools = new DBTools(EnrollActivity.this,"test",null,1);//数据库的名字
+                SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
+                ContentValues contentValues = new ContentValues();
+                contentValues.put("phone",phoneNumber);
+                contentValues.put("password",userPassword);
+                sqLiteDatabase.insert("user",null,contentValues);
+
+                Intent intent = new Intent(EnrollActivity.this, LoginMainActivity.class);
+                startActivity(intent);
+                finish();
             }
 
-
-
         });
         findViewById(R.id.textView174).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Intent intent = new Intent(EnrollActivity.this,LoginMainActivity.class);
+                Intent intent = new Intent(EnrollActivity.this, LoginMainActivity.class);
                 startActivity(intent);
                 finish();
             }
diff --git a/src/main/java/com/example/liyueling_final/ForgetPasswordActivity.java b/src/main/java/com/example/liyueling_final/ForgetPasswordActivity.java
index 0c1d2cb..b852d1b 100644
--- a/src/main/java/com/example/liyueling_final/ForgetPasswordActivity.java
+++ b/src/main/java/com/example/liyueling_final/ForgetPasswordActivity.java
@@ -2,21 +2,41 @@ package com.example.liyueling_final;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.animation.ObjectAnimator;
+import android.animation.PropertyValuesHolder;
+import android.animation.ValueAnimator;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.TextView;
 import android.widget.Toast;
 
 public class ForgetPasswordActivity extends AppCompatActivity {
 
     EditText yanzhen;
+    TextView textView;
+    ImageView imageView;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_forget_password);
         yanzhen = findViewById(R.id.password1);
 
+        textView = findViewById(R.id.textView170);
+        imageView = findViewById(R.id.imageView141);
+
+        PropertyValuesHolder propertyValuesHolder = PropertyValuesHolder.ofFloat("translationY",-100,0);
+        PropertyValuesHolder propertyValuesHolder3 = PropertyValuesHolder.ofFloat("alpha",0,1);
+        PropertyValuesHolder propertyValuesHolder4 = PropertyValuesHolder.ofFloat("rotation",-15,0);
+        ValueAnimator animator = ObjectAnimator.ofPropertyValuesHolder(imageView,propertyValuesHolder,propertyValuesHolder4,propertyValuesHolder3);
+        ValueAnimator animator2 = ObjectAnimator.ofPropertyValuesHolder(textView,propertyValuesHolder,propertyValuesHolder4,propertyValuesHolder3);
+        animator.setDuration(1000);
+        animator.start();
+        animator2.setDuration(1000);
+        animator2.start();
+
         findViewById(R.id.fasong).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
diff --git a/src/main/java/com/example/liyueling_final/LoginMainActivity.java b/src/main/java/com/example/liyueling_final/LoginMainActivity.java
index e8b1153..bf7fcba 100644
--- a/src/main/java/com/example/liyueling_final/LoginMainActivity.java
+++ b/src/main/java/com/example/liyueling_final/LoginMainActivity.java
@@ -1,12 +1,19 @@
 package com.example.liyueling_final;
 
+import android.animation.ObjectAnimator;
+import android.animation.PropertyValuesHolder;
+import android.animation.ValueAnimator;
+import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.ImageView;
 import android.widget.RadioButton;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -24,6 +31,11 @@ public class LoginMainActivity extends AppCompatActivity {
     private RadioButton radioButton;
     EditText phone;
     EditText password;
+
+    TextView textView;
+    ImageView imageView;
+    boolean flag;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -32,12 +44,30 @@ public class LoginMainActivity extends AppCompatActivity {
         phone = findViewById(R.id.phone);
         password = findViewById(R.id.password1);
 
+        textView = findViewById(R.id.textView170);
+        imageView = findViewById(R.id.imageView141);
+
+        PropertyValuesHolder propertyValuesHolder = PropertyValuesHolder.ofFloat("translationY", -100, 0);
+        PropertyValuesHolder propertyValuesHolder3 = PropertyValuesHolder.ofFloat("alpha", 0, 1);
+        PropertyValuesHolder propertyValuesHolder4 = PropertyValuesHolder.ofFloat("rotation", -15, 0);
+        ValueAnimator animator = ObjectAnimator.ofPropertyValuesHolder(imageView, propertyValuesHolder, propertyValuesHolder4, propertyValuesHolder3);
+        ValueAnimator animator2 = ObjectAnimator.ofPropertyValuesHolder(textView, propertyValuesHolder, propertyValuesHolder4, propertyValuesHolder3);
+        animator.setDuration(1000);
+        animator.start();
+        animator2.setDuration(1000);
+        animator2.start();
+
+        DBTools dbTools = new DBTools(LoginMainActivity.this, "test", null, 1);//数据库的名字
+        SQLiteDatabase sqLiteDatabase = dbTools.getWritableDatabase();
+
 
         findViewById(R.id.enter).setOnClickListener(new View.OnClickListener() {
 
 
+            @SuppressLint("Range")
             @Override
             public void onClick(View v) {
+                flag = true;
 
                 String phoneNumber = phone.getText().toString();
                 String userPassword = password.getText().toString();
@@ -50,40 +80,29 @@ public class LoginMainActivity extends AppCompatActivity {
                     Toast.makeText(LoginMainActivity.this, "请同意协议", Toast.LENGTH_SHORT).show();
                     return;
                 }
-                    userApi api2 = RetrofitUtils.getRetrofit("https://dev.usemock.com/664ac0559e857b0cdafce629/").create(userApi.class);
-                try {
-                    Call<User> call = api2.Login(phoneNumber);
-                    call.enqueue(new Callback<User>() {
-                        @Override
-                        public void onResponse(Call<User> call, Response<User> response) {
-                            User user = response.body();
-                            if (user != null && user.password.equals(userPassword)) {
-                                Intent intent = new Intent(LoginMainActivity.this, MainActivity.class);
-                                startActivity(intent);
-                                finish();
-                            } else {
-                                // 登录失败
-                                Toast.makeText(LoginMainActivity.this, "Login failed", Toast.LENGTH_SHORT).show();
-                            }
 
-                        }
-                        @Override
-                        public void onFailure(Call<User> call, Throwable t) {
-                            Toast.makeText(LoginMainActivity.this, "Network error", Toast.LENGTH_SHORT).show();
-                        }
-                    });
-                } catch (Exception e) {
-                    Log.e("YourTag", "Error occurred: " + e.getMessage()); // 打印异常信息
+                Cursor cursor = sqLiteDatabase.query("user", new String[]{"id", "phone", "password"},
+                        "phone=?", new String[]{phoneNumber}, null, null, null);
+                while (cursor.moveToNext()) {
+                    if (cursor != null && cursor.getString(cursor.getColumnIndex("password")).equals(userPassword)) {
+                        Intent intent = new Intent(LoginMainActivity.this, MainActivity.class);
+                        startActivity(intent);
+                        finish();
+                        flag = false;
+                    }
                 }
+                if(flag==true){
+                    Toast.makeText(LoginMainActivity.this, "手机号或密码不正确", Toast.LENGTH_SHORT).show();
                 }
 
-
-
+            }
         });
+
+
         findViewById(R.id.textView174).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Intent intent = new Intent(LoginMainActivity.this,EnrollActivity.class);
+                Intent intent = new Intent(LoginMainActivity.this, EnrollActivity.class);
                 startActivity(intent);
                 finish();
             }
@@ -91,7 +110,7 @@ public class LoginMainActivity extends AppCompatActivity {
         findViewById(R.id.textView175).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Intent intent = new Intent(LoginMainActivity.this,ForgetPasswordActivity.class);
+                Intent intent = new Intent(LoginMainActivity.this, ForgetPasswordActivity.class);
                 startActivity(intent);
                 finish();
             }
diff --git a/src/main/java/com/example/liyueling_final/Serch.java b/src/main/java/com/example/liyueling_final/Serch.java
index aa5bcdd..207a283 100644
--- a/src/main/java/com/example/liyueling_final/Serch.java
+++ b/src/main/java/com/example/liyueling_final/Serch.java
@@ -1,14 +1,24 @@
 package com.example.liyueling_final;
 
 import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
 
 import androidx.appcompat.app.AppCompatActivity;
 
 public class Serch extends AppCompatActivity {
 
+    TextView cancel;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_serch);
+
+        findViewById(R.id.cancel).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
     }
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/liyueling_final/SpActivity.java b/src/main/java/com/example/liyueling_final/SpActivity.java
deleted file mode 100644
index f742341..0000000
--- a/src/main/java/com/example/liyueling_final/SpActivity.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package com.example.liyueling_final;
-
-import android.content.SharedPreferences;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.View;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-public class SpActivity extends AppCompatActivity {
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_sp);
-
-       findViewById(R.id.button1).setOnClickListener(new View.OnClickListener() {
-           @Override
-           public void onClick(View v) {
-               SharedPreferences sharedPreferences = getSharedPreferences("user",MODE_PRIVATE);
-               SharedPreferences.Editor editor = sharedPreferences.edit();
-               editor.putString("name","计科一班");
-               editor.putBoolean("isLogin",true);
-               editor.commit();
-           }
-       });
-        findViewById(R.id.button2).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                SharedPreferences sharedPreferences = getSharedPreferences("user",MODE_PRIVATE);
-                String name = sharedPreferences.getString("name","");
-                boolean isLogin = sharedPreferences.getBoolean("isLogin",false);
-                Log.i("test",name+isLogin);
-            }
-        });
-        findViewById(R.id.button3).setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                SharedPreferences sharedPreferences = getSharedPreferences("user",MODE_PRIVATE);
-                SharedPreferences.Editor editor = sharedPreferences.edit();
-                editor.clear();
-                editor.commit();
-            }
-        });
-
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/com/example/liyueling_final/Study_mulu.java b/src/main/java/com/example/liyueling_final/Study_mulu.java
index f599bd0..6a2d2c3 100644
--- a/src/main/java/com/example/liyueling_final/Study_mulu.java
+++ b/src/main/java/com/example/liyueling_final/Study_mulu.java
@@ -7,53 +7,8 @@ import android.view.ViewGroup;
 
 import androidx.fragment.app.Fragment;
 
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link Study_mulu#newInstance} factory method to
- * create an instance of this fragment.
- */
 public class Study_mulu extends Fragment {
 
-    // TODO: Rename parameter arguments, choose names that match
-    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-    private static final String ARG_PARAM1 = "param1";
-    private static final String ARG_PARAM2 = "param2";
-
-    // TODO: Rename and change types of parameters
-    private String mParam1;
-    private String mParam2;
-
-    public Study_mulu() {
-        // Required empty public constructor
-    }
-
-    /**
-     * Use this factory method to create a new instance of
-     * this fragment using the provided parameters.
-     *
-     * @param param1 Parameter 1.
-     * @param param2 Parameter 2.
-     * @return A new instance of fragment Study_mulu.
-     */
-    // TODO: Rename and change types and number of parameters
-    public static Study_mulu newInstance(String param1, String param2) {
-        Study_mulu fragment = new Study_mulu();
-        Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
-        args.putString(ARG_PARAM2, param2);
-        fragment.setArguments(args);
-        return fragment;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
-            mParam2 = getArguments().getString(ARG_PARAM2);
-        }
-    }
-
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
diff --git a/src/main/java/com/example/liyueling_final/welcome.java b/src/main/java/com/example/liyueling_final/welcome.java
index ace209c..1599ddf 100644
--- a/src/main/java/com/example/liyueling_final/welcome.java
+++ b/src/main/java/com/example/liyueling_final/welcome.java
@@ -1,5 +1,8 @@
 package com.example.liyueling_final;
 
+import android.animation.ObjectAnimator;
+import android.animation.PropertyValuesHolder;
+import android.animation.ValueAnimator;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
@@ -14,11 +17,10 @@ import android.widget.TextView;
 import androidx.appcompat.app.AppCompatActivity;
 
 public class welcome extends AppCompatActivity {
-
-    private TranslateAnimation ra;
-    private TranslateAnimation rb;
     TextView textView;
     ImageView imageView;
+    ImageView imageView2;
+    ImageView imageView3;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -26,27 +28,32 @@ public class welcome extends AppCompatActivity {
 
         textView = findViewById(R.id.textView169);
         imageView = findViewById(R.id.imageView);
-        rb = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0,Animation.RELATIVE_TO_SELF,0,
-                Animation.RELATIVE_TO_SELF,0,Animation.RELATIVE_TO_SELF,0.5f);
+        imageView2 = findViewById(R.id.enter);
+        imageView3 = findViewById(R.id.imageView143);
+
+        PropertyValuesHolder propertyValuesHolder = PropertyValuesHolder.ofFloat("translationY",-100,0);
+        PropertyValuesHolder propertyValuesHolder3 = PropertyValuesHolder.ofFloat("alpha",0,1);
+        PropertyValuesHolder propertyValuesHolder4 = PropertyValuesHolder.ofFloat("rotation",-15,0);
+        ValueAnimator animator = ObjectAnimator.ofPropertyValuesHolder(imageView,propertyValuesHolder,propertyValuesHolder4,propertyValuesHolder3);
+        ValueAnimator animator2 = ObjectAnimator.ofPropertyValuesHolder(textView,propertyValuesHolder,propertyValuesHolder4,propertyValuesHolder3);
+        animator.setDuration(1000);
+        animator.start();
+        animator2.setDuration(1000);
+        animator2.start();
 
 
-        ra = new TranslateAnimation(Animation.RELATIVE_TO_SELF,-0.5f,Animation.RELATIVE_TO_SELF,0.5f,
-                Animation.RELATIVE_TO_SELF,0,Animation.RELATIVE_TO_SELF,0);
-        ra.setDuration(1000);
-        ra.setRepeatMode(Animation.REVERSE);
-        ra.setInterpolator(new AccelerateInterpolator());
-        ra.setFillAfter(true);
-
-        rb.setDuration(1000);
-        rb.setRepeatMode(Animation.REVERSE);
-        rb.setInterpolator(new AccelerateInterpolator());
-        rb.setFillAfter(true);
-        textView.startAnimation(rb);
-        imageView.startAnimation(rb);
+        ObjectAnimator objectAnimator2 = ObjectAnimator.ofFloat(imageView,"translationY",-200,0);
+        objectAnimator2.setDuration(1000);
+        objectAnimator2.start();
         findViewById(R.id.enter).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                v.startAnimation(ra);
+                PropertyValuesHolder propertyValuesHolder = PropertyValuesHolder.ofFloat("translationX",-50,50);
+                PropertyValuesHolder propertyValuesHolder3 = PropertyValuesHolder.ofFloat("alpha",1,0.2f);
+                ValueAnimator animator = ObjectAnimator.ofPropertyValuesHolder(imageView2,propertyValuesHolder,propertyValuesHolder3);
+                animator.setDuration(1000);
+                animator.start();
+
 
                 Intent intent = new Intent(welcome.this, LoginMainActivity.class);
                 startActivity(intent);
diff --git a/src/main/res/layout/activity_enroll.xml b/src/main/res/layout/activity_enroll.xml
index 4ac007d..8c80efe 100644
--- a/src/main/res/layout/activity_enroll.xml
+++ b/src/main/res/layout/activity_enroll.xml
@@ -115,17 +115,6 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/password1" />
 
-    <RadioButton
-        android:id="@+id/radioButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="16dp"
-        android:text="登录即同意用户协议"
-        android:textColor="#515151"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
     <TextView
         android:id="@+id/textView174"
         android:layout_width="wrap_content"
diff --git a/src/main/res/layout/activity_serch.xml b/src/main/res/layout/activity_serch.xml
index dc811c2..f2e6afd 100644
--- a/src/main/res/layout/activity_serch.xml
+++ b/src/main/res/layout/activity_serch.xml
@@ -78,7 +78,7 @@
             app:layout_constraintVertical_bias="0.697" />
 
         <TextView
-            android:id="@+id/textView145"
+            android:id="@+id/cancel"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="取消"
diff --git a/src/main/res/layout/activity_sp.xml b/src/main/res/layout/activity_sp.xml
deleted file mode 100644
index 6b130b7..0000000
--- a/src/main/res/layout/activity_sp.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".SpActivity">
-
-    <Button
-        android:id="@+id/button1"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="44dp"
-        android:text="增加数据"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <Button
-        android:id="@+id/button2"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="查询数据"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/button1" />
-
-    <Button
-        android:id="@+id/button3"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:text="删除数据"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/button2" />
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file