diff --git a/app/build.gradle b/app/build.gradle
index f0d391a..67ea50b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -33,6 +33,8 @@ android {
 }
 
 dependencies {
+    implementation('com.google.android.material:material:1.3.0')
+    implementation "androidx.drawerlayout:drawerlayout:1.1.1"
     implementation 'com.github.chrisbanes:PhotoView:2.3.0'
     api 'com.google.android:flexbox:1.0.0'
     implementation ('androidx.swiperefreshlayout:swiperefreshlayout:1.1.0')
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 36a5513..ffd38fc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -6,7 +6,6 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
-
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -14,11 +13,13 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.LspView">
-        <activity android:name=".PicActivity"
-            android:configChanges="uiMode"
-            ></activity>
-        <activity android:name=".MainActivity">
+        <activity android:name=".login.LoginActivity">
 
+        </activity>
+        <activity
+            android:name=".pic.PicActivity"
+            android:configChanges="uiMode" />
+        <activity android:name=".main.MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/app/src/main/java/com/lsp/view/login/LoginActivity.kt b/app/src/main/java/com/lsp/view/login/LoginActivity.kt
new file mode 100644
index 0000000..7fb768b
--- /dev/null
+++ b/app/src/main/java/com/lsp/view/login/LoginActivity.kt
@@ -0,0 +1,73 @@
+package com.lsp.view.login
+
+import android.app.AlertDialog
+import android.app.Dialog
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.os.Environment
+import android.util.Log
+import android.widget.EditText
+import android.widget.TextView
+import com.google.android.material.floatingactionbutton.FloatingActionButton
+import com.lsp.view.R
+import com.lsp.view.main.MainActivity
+import okhttp3.*
+import java.io.File
+import java.security.MessageDigest
+import java.security.NoSuchAlgorithmException
+import java.util.ArrayList
+import java.util.concurrent.TimeUnit
+import kotlin.concurrent.thread
+
+class LoginActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_login)
+        val login = findViewById<FloatingActionButton>(R.id.login)
+
+        AlertDialog.Builder(this).apply {
+            setMessage("目前阶段登录没有任何实质的用处,仅会保存你输入的用户名用于搜索你的收藏夹,而通过登录获取到的Cookie在将来可能会有实质的用处,Cookie将不会保存,如你不需要使用收藏夹，请直接点击登录按钮。")
+            setTitle("关于登录")
+            setPositiveButton("确定"){it,_->
+                it.dismiss()
+            }
+        }.create().show()
+
+        login.setOnClickListener {
+            val username = findViewById<EditText>(R.id.username)
+            val password = findViewById<EditText>(R.id.password)
+            val sPassword = "choujin-steiner--${password.text.toString()}--"
+            val hash1Password = StrToHash1.shaEncrypt(sPassword)
+            thread {
+                conn(username.text.toString(),hash1Password)
+            }
+            val intent = Intent(this,MainActivity::class.java)
+            startActivity(intent)
+
+        }
+
+
+
+    }
+    fun conn(username:String,hash1: String):String{
+        val cookies = ArrayList<Cookie>()
+        val client = OkHttpClient.Builder()
+            .connectTimeout(60,TimeUnit.SECONDS)
+            .cookieJar(object : CookieJar{
+                override fun saveFromResponse(url: HttpUrl, cookies: MutableList<Cookie>) {
+                }
+
+                override fun loadForRequest(url: HttpUrl): MutableList<Cookie> {
+                    return cookies
+                }
+
+            })
+            .build()
+        val request = Request.Builder()
+            .url("https://yande.re/?username=$username&password=$hash1")
+            .build()
+        return client.newCall(request).execute().body()!!.string()
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/lsp/view/login/StrToHash1.java b/app/src/main/java/com/lsp/view/login/StrToHash1.java
new file mode 100644
index 0000000..c9fbb34
--- /dev/null
+++ b/app/src/main/java/com/lsp/view/login/StrToHash1.java
@@ -0,0 +1,35 @@
+package com.lsp.view.login;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class StrToHash1 {
+    public static String shaEncrypt(String strSrc){
+        MessageDigest md = null;
+        String strDes = null;
+        byte[] bt = strSrc.getBytes();
+        try {
+            md = MessageDigest.getInstance("SHA-1");
+            md.update(bt);
+            strDes = bytes2Hex(md.digest());
+
+        } catch (NoSuchAlgorithmException e) {
+            return null;
+        }
+        return strDes;
+
+
+    }
+    private static String bytes2Hex(byte[] bts){
+        StringBuilder des = new StringBuilder();
+        String tmp = null;
+        for (int i =0;i<bts.length;i++){
+            tmp = Integer.toHexString(bts[i] & 0xFF);
+            if (tmp.length()==1){
+                des.append("0");
+            }
+            des.append(tmp);
+        }
+        return des.toString();
+    }
+}
diff --git a/app/src/main/java/com/lsp/view/MainActivity.kt b/app/src/main/java/com/lsp/view/main/MainActivity.kt
similarity index 82%
rename from app/src/main/java/com/lsp/view/MainActivity.kt
rename to app/src/main/java/com/lsp/view/main/MainActivity.kt
index 01e9b9a..e3e0f88 100644
--- a/app/src/main/java/com/lsp/view/MainActivity.kt
+++ b/app/src/main/java/com/lsp/view/main/MainActivity.kt
@@ -1,22 +1,31 @@
-package com.lsp.view
+package com.lsp.view.main
 
 import android.animation.Animator
 import android.animation.AnimatorListenerAdapter
 import android.content.Context
+import android.content.Intent
 import android.os.Bundle
 import android.util.Log
+import android.view.LayoutInflater
+import android.view.MenuItem
 import android.view.View
 import android.view.inputmethod.EditorInfo
 import android.view.inputmethod.InputMethodManager
 import android.widget.EditText
+import android.widget.FrameLayout
 import android.widget.LinearLayout
+import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.GravityCompat
+import androidx.drawerlayout.widget.DrawerLayout
 import androidx.recyclerview.widget.GridLayoutManager
+import com.google.android.material.navigation.NavigationView
 import com.google.android.material.snackbar.Snackbar
 import com.lsp.view.bean.Post
 import com.hentai.yandeview.Retrofit.PostService
 import com.hentai.yandeview.Retrofit.ServiceCreator
-import com.lsp.view.adapter.PostAdapter
+import com.lsp.view.R
+import com.lsp.view.login.LoginActivity
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
@@ -29,7 +38,7 @@ class MainActivity : AppCompatActivity() {
     private lateinit var searchBar:LinearLayout
     private var shortAnnotationDuration:Int = 0
     private var nowPage = 1
-    private lateinit var adapter:PostAdapter
+    private lateinit var adapter: PostAdapter
     private var isLoading = false
     private var nowPosition by Delegates.notNull<Int>()
 
@@ -56,6 +65,10 @@ class MainActivity : AppCompatActivity() {
         val close = findViewById<View>(R.id.close)
         val editCard = findViewById<com.google.android.material.card.MaterialCardView>(R.id.editCard)
 
+        supportActionBar?.let {
+            it.setDisplayHomeAsUpEnabled(true)
+            it.setHomeAsUpIndicator(R.drawable.ic_baseline_menu_24)
+        }
 
         searchBar = findViewById<LinearLayout>(R.id.search_bar)
         shortAnnotationDuration = resources.getInteger(android.R.integer.config_shortAnimTime)
@@ -84,6 +97,23 @@ class MainActivity : AppCompatActivity() {
             nowPage = 1
             loadPost(this, null, searchTag,nowPage.toString())
         }
+        //登录
+        /**
+        val headerView = LayoutInflater.from(this).inflate(R.layout.nav_header,null)
+        val name = headerView.findViewById<TextView>(R.id.name)
+        name.setOnClickListener {
+
+            val intent = Intent(this,LoginActivity::class.java)
+            startActivity(intent)
+        }*/
+        //侧边栏
+
+
+        val nav = findViewById<NavigationView>(R.id.nav)
+        nav.setCheckedItem(R.id.photo)
+        nav.setNavigationItemSelectedListener {
+            true
+        }
 
 
     }
@@ -108,6 +138,14 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        val drawerLayout = findViewById<DrawerLayout>(R.id.drawerLayout)
+        when(item.itemId){
+            android.R.id.home ->  drawerLayout.openDrawer(GravityCompat.START)
+        }
+        return true
+    }
+
 
     private fun hideIm(){
         val imm: InputMethodManager = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
@@ -138,7 +176,7 @@ class MainActivity : AppCompatActivity() {
                 val fbtn = findViewById<com.google.android.material.floatingactionbutton.FloatingActionButton>(
                     R.id.fbtn
                 )
-                Snackbar.make(fbtn,"请检查网络连接",Snackbar.LENGTH_SHORT).show()
+                Snackbar.make(fbtn,"请检查网络连接",Snackbar.LENGTH_LONG).show()
             }
 
             override fun onResponse(call: Call<List<Post>>, response: Response<List<Post>>) {
@@ -174,7 +212,7 @@ class MainActivity : AppCompatActivity() {
                     adapter = PostAdapter(context, postList)
                     recyclerView.adapter = adapter
                 }
-                adapter.setLoadMoreListener(object :PostAdapter.OnLoadMoreListener{
+                adapter.setLoadMoreListener(object : PostAdapter.OnLoadMoreListener{
                     override fun loadMore(position: Int) {
                         nowPage++
                         swipeRefreshLayout.isRefreshing = true
diff --git a/app/src/main/java/com/lsp/view/adapter/PostAdapter.kt b/app/src/main/java/com/lsp/view/main/PostAdapter.kt
similarity index 78%
rename from app/src/main/java/com/lsp/view/adapter/PostAdapter.kt
rename to app/src/main/java/com/lsp/view/main/PostAdapter.kt
index 09546a9..9f66e7d 100644
--- a/app/src/main/java/com/lsp/view/adapter/PostAdapter.kt
+++ b/app/src/main/java/com/lsp/view/main/PostAdapter.kt
@@ -1,4 +1,4 @@
-package com.lsp.view.adapter
+package com.lsp.view.main
 
 import android.content.Context
 import android.content.Intent
@@ -9,8 +9,10 @@ import android.view.ViewGroup
 import android.widget.ImageView
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.Glide
+import com.bumptech.glide.load.model.GlideUrl
+import com.bumptech.glide.load.model.LazyHeaders
 import com.lsp.view.bean.Post
-import com.lsp.view.PicActivity
+import com.lsp.view.pic.PicActivity
 import com.lsp.view.R
 
 class PostAdapter(val context:Context, private val postList: List<Post>) :RecyclerView.Adapter<PostAdapter.ViewHolder>(){
@@ -26,7 +28,7 @@ class PostAdapter(val context:Context, private val postList: List<Post>) :Recycl
             val position = viewHolder.adapterPosition
             Log.e("position",position.toString())
             Log.e("url",postList[position].sample_url)
-            val intent = Intent(context,PicActivity::class.java)
+            val intent = Intent(context, PicActivity::class.java)
             intent.putExtra("id",postList[position].id)
             intent.putExtra("sample_url",postList[position].sample_url)
             intent.putExtra("file_url",postList[position].file_url)
@@ -40,7 +42,7 @@ class PostAdapter(val context:Context, private val postList: List<Post>) :Recycl
         return viewHolder
     }
 
-    private lateinit var mLoadMoreListener:OnLoadMoreListener
+    private lateinit var mLoadMoreListener: OnLoadMoreListener
 
     interface  OnLoadMoreListener{
         fun loadMore(position: Int)
@@ -53,7 +55,8 @@ class PostAdapter(val context:Context, private val postList: List<Post>) :Recycl
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val post = postList[position]
-        Glide.with(context).load(post.preview_url).into(holder.picImage)
+        val glideUrl = GlideUrl(post.preview_url, LazyHeaders.Builder().addHeader("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36").build())
+        Glide.with(context).load(glideUrl).into(holder.picImage)
         if (position==postList.size-1&&postList.size>6){
             //到达底部
             mLoadMoreListener.loadMore(position)
diff --git a/app/src/main/java/com/lsp/view/adapter/AuthorAdapter.kt b/app/src/main/java/com/lsp/view/pic/AuthorAdapter.kt
similarity index 97%
rename from app/src/main/java/com/lsp/view/adapter/AuthorAdapter.kt
rename to app/src/main/java/com/lsp/view/pic/AuthorAdapter.kt
index d7e3c3c..3f16a72 100644
--- a/app/src/main/java/com/lsp/view/adapter/AuthorAdapter.kt
+++ b/app/src/main/java/com/lsp/view/pic/AuthorAdapter.kt
@@ -1,4 +1,4 @@
-package com.lsp.view.adapter
+package com.lsp.view.pic
 
 import android.view.LayoutInflater
 import android.view.View
diff --git a/app/src/main/java/com/lsp/view/adapter/IdAdapter.kt b/app/src/main/java/com/lsp/view/pic/IdAdapter.kt
similarity index 97%
rename from app/src/main/java/com/lsp/view/adapter/IdAdapter.kt
rename to app/src/main/java/com/lsp/view/pic/IdAdapter.kt
index 749c006..222a881 100644
--- a/app/src/main/java/com/lsp/view/adapter/IdAdapter.kt
+++ b/app/src/main/java/com/lsp/view/pic/IdAdapter.kt
@@ -1,4 +1,4 @@
-package com.lsp.view.adapter
+package com.lsp.view.pic
 
 import android.view.LayoutInflater
 import android.view.View
diff --git a/app/src/main/java/com/lsp/view/PicActivity.kt b/app/src/main/java/com/lsp/view/pic/PicActivity.kt
similarity index 90%
rename from app/src/main/java/com/lsp/view/PicActivity.kt
rename to app/src/main/java/com/lsp/view/pic/PicActivity.kt
index a6d33ec..5ff817d 100644
--- a/app/src/main/java/com/lsp/view/PicActivity.kt
+++ b/app/src/main/java/com/lsp/view/pic/PicActivity.kt
@@ -1,38 +1,37 @@
-package com.lsp.view
+package com.lsp.view.pic
 
 import android.animation.Animator
 import android.animation.AnimatorListenerAdapter
 import android.content.Intent
 import android.content.pm.PackageManager
-import android.content.res.Configuration
 import android.graphics.drawable.Drawable
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.os.Environment
 import android.os.Looper
 import android.util.Log
-import android.util.TypedValue
 import android.view.View
 import android.widget.ImageView
 import android.widget.ProgressBar
+import androidx.appcompat.app.AlertDialog
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.DataSource
 import com.bumptech.glide.load.engine.GlideException
+import com.bumptech.glide.load.model.GlideUrl
+import com.bumptech.glide.load.model.LazyHeaders
 import com.bumptech.glide.request.RequestListener
 import com.bumptech.glide.request.target.Target
 import com.github.chrisbanes.photoview.PhotoView
 import com.google.android.flexbox.*
 import com.google.android.material.snackbar.Snackbar
-import com.lsp.view.adapter.AuthorAdapter
-import com.lsp.view.adapter.IdAdapter
-import com.lsp.view.adapter.SizeAdapter
-import com.lsp.view.adapter.TagAdapter
+import com.lsp.view.R
 import com.lsp.view.bean.Author
 import com.lsp.view.bean.ID
 import com.lsp.view.bean.Size
 import com.lsp.view.bean.Tags
+import com.lsp.view.main.MainActivity
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import java.io.*
@@ -83,8 +82,10 @@ class PicActivity : AppCompatActivity() {
             sharedPreferences.putBoolean("FirstRun",false)
             val FileD = File("${Environment.getExternalStorageDirectory()}/${Environment.DIRECTORY_PICTURES}/LspMake")
             FileD.mkdirs()
+
         }
 
+
         val id = intent.getStringExtra("id")
         if (id!=null){
             loadTags<ID>(id)
@@ -94,10 +95,11 @@ class PicActivity : AppCompatActivity() {
             loadPic(it)
         }
 
-
         val file_url = intent.getStringExtra("file_url")
         val file_ext = intent.getStringExtra("file_ext")
-        val fbtn = findViewById<com.google.android.material.floatingactionbutton.FloatingActionButton>(R.id.fbtn)
+        val fbtn = findViewById<com.google.android.material.floatingactionbutton.FloatingActionButton>(
+            R.id.fbtn
+        )
 
         val path = "${Environment.getExternalStorageDirectory()}/${Environment.DIRECTORY_PICTURES}/LspMake/" +
                 "${time}.$file_ext"
@@ -171,7 +173,9 @@ class PicActivity : AppCompatActivity() {
     ) {
         val file_ext = intent.getStringExtra("file_ext")
         val file_url = intent.getStringExtra("file_url")
-        val fbtn = findViewById<com.google.android.material.floatingactionbutton.FloatingActionButton>(R.id.fbtn)
+        val fbtn = findViewById<com.google.android.material.floatingactionbutton.FloatingActionButton>(
+            R.id.fbtn
+        )
 
         super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         when(requestCode){
@@ -242,8 +246,9 @@ class PicActivity : AppCompatActivity() {
     }
 
     private fun loadPic(url:String){
+        val glideUrl = GlideUrl(url, LazyHeaders.Builder().addHeader("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36").build())
 
-        Glide.with(this).load(url).listener(object :RequestListener<Drawable?>{
+        Glide.with(this).load(glideUrl).listener(object :RequestListener<Drawable?>{
             override fun onLoadFailed(
                 e: GlideException?,
                 model: Any?,
@@ -251,7 +256,17 @@ class PicActivity : AppCompatActivity() {
                 isFirstResource: Boolean
             ): Boolean {
                 val pb = findViewById<ProgressBar>(R.id.pb)
-                Snackbar.make(pb,"加载错误",Snackbar.LENGTH_SHORT).show()
+                Log.e("erroe",e.toString())
+                Snackbar.make(pb,"加载错误",Snackbar.LENGTH_LONG).setAction("查看Log"){
+                    AlertDialog.Builder(this@PicActivity).apply {
+                        setTitle("Log")
+                        setMessage(e.toString())
+                        setNegativeButton("确定",null)
+                        create()
+                        show()
+                    }
+                }.show()
+                pb.visibility = View.INVISIBLE
                 return false
 
             }
@@ -299,9 +314,9 @@ class PicActivity : AppCompatActivity() {
                      tagList.add(Tags(tag))
                  }
                  val adapter = TagAdapter(tagList)
-                 adapter.setOnItemClickListener(object :TagAdapter.OnItemClickListener{
+                 adapter.setOnItemClickListener(object : TagAdapter.OnItemClickListener{
                      override fun onItemClick(view: View, position: Int) {
-                         val intent = Intent(this@PicActivity,MainActivity::class.java)
+                         val intent = Intent(this@PicActivity, MainActivity::class.java)
                          intent.putExtra("searchTag",tagList[position].tag)
                          startActivity(intent)
                      }
diff --git a/app/src/main/java/com/lsp/view/adapter/SizeAdapter.kt b/app/src/main/java/com/lsp/view/pic/SizeAdapter.kt
similarity index 97%
rename from app/src/main/java/com/lsp/view/adapter/SizeAdapter.kt
rename to app/src/main/java/com/lsp/view/pic/SizeAdapter.kt
index fd0d391..da61bdd 100644
--- a/app/src/main/java/com/lsp/view/adapter/SizeAdapter.kt
+++ b/app/src/main/java/com/lsp/view/pic/SizeAdapter.kt
@@ -1,4 +1,4 @@
-package com.lsp.view.adapter
+package com.lsp.view.pic
 
 import android.util.Log
 import android.view.LayoutInflater
diff --git a/app/src/main/java/com/lsp/view/adapter/TagAdapter.kt b/app/src/main/java/com/lsp/view/pic/TagAdapter.kt
similarity index 97%
rename from app/src/main/java/com/lsp/view/adapter/TagAdapter.kt
rename to app/src/main/java/com/lsp/view/pic/TagAdapter.kt
index 4905962..2d63423 100644
--- a/app/src/main/java/com/lsp/view/adapter/TagAdapter.kt
+++ b/app/src/main/java/com/lsp/view/pic/TagAdapter.kt
@@ -1,4 +1,4 @@
-package com.lsp.view.adapter
+package com.lsp.view.pic
 
 import android.view.LayoutInflater
 import android.view.View
diff --git a/app/src/main/res/drawable/ic_baseline_favorite_24.xml b/app/src/main/res/drawable/ic_baseline_favorite_24.xml
new file mode 100644
index 0000000..2d9d13c
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_favorite_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12,21.35l-1.45,-1.32C5.4,15.36 2,12.28 2,8.5 2,5.42 4.42,3 7.5,3c1.74,0 3.41,0.81 4.5,2.09C13.09,3.81 14.76,3 16.5,3 19.58,3 22,5.42 22,8.5c0,3.78 -3.4,6.86 -8.55,11.54L12,21.35z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_insert_photo_24.xml b/app/src/main/res/drawable/ic_baseline_insert_photo_24.xml
new file mode 100644
index 0000000..d35859d
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_insert_photo_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M21,19V5c0,-1.1 -0.9,-2 -2,-2H5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2zM8.5,13.5l2.5,3.01L14.5,12l4.5,6H5l3.5,-4.5z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_label_24.xml b/app/src/main/res/drawable/ic_baseline_label_24.xml
new file mode 100644
index 0000000..1b84119
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_label_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M17.63,5.84C17.27,5.33 16.67,5 16,5L5,5.01C3.9,5.01 3,5.9 3,7v10c0,1.1 0.9,1.99 2,1.99L16,19c0.67,0 1.27,-0.33 1.63,-0.84L22,12l-4.37,-6.16z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_login_24.xml b/app/src/main/res/drawable/ic_baseline_login_24.xml
new file mode 100644
index 0000000..4c94f52
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_login_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M11,7L9.6,8.4l2.6,2.6H2v2h10.2l-2.6,2.6L11,17l5,-5L11,7zM20,19h-8v2h8c1.1,0 2,-0.9 2,-2V5c0,-1.1 -0.9,-2 -2,-2h-8v2h8V19z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_menu_24.xml b/app/src/main/res/drawable/ic_baseline_menu_24.xml
new file mode 100644
index 0000000..470db52
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_menu_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M3,18h18v-2L3,16v2zM3,13h18v-2L3,11v2zM3,6v2h18L21,6L3,6z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_navigate_next_24.xml b/app/src/main/res/drawable/ic_baseline_navigate_next_24.xml
new file mode 100644
index 0000000..9d4dcfd
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_navigate_next_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="40dp" android:tint="#FFFFFF"
+    android:viewportHeight="20" android:viewportWidth="20"
+    android:width="40dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M10,6L8.59,7.41 13.17,12l-4.58,4.59L10,18l6,-6z"/>
+</vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
new file mode 100644
index 0000000..3ac9b2e
--- /dev/null
+++ b/app/src/main/res/layout/activity_login.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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:orientation="vertical"
+    android:layout_height="match_parent"
+    tools:context=".login.LoginActivity">
+    <TextView
+        android:layout_marginTop="160dp"
+        android:layout_gravity="center"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="44sp"
+        android:id="@+id/title"
+        android:text="Login"/>
+    <EditText
+        android:hint="账号..."
+        android:layout_marginTop="20dp"
+        android:layout_gravity="center"
+        android:layout_width="240dp"
+        android:layout_height="wrap_content"
+        android:id="@+id/username"/>
+    <EditText
+        android:hint="密码..."
+        android:inputType="textPassword"
+        android:layout_gravity="center"
+        android:layout_width="240dp"
+        android:layout_height="wrap_content"
+        android:id="@+id/password"/>
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:layout_width="60dp"
+        android:layout_height="60dp"
+        android:id="@+id/login"
+        android:background="@color/primary"
+        android:src="@drawable/ic_baseline_navigate_next_24"
+        android:layout_marginTop="30dp"
+        android:layout_gravity="center"
+        android:elevation="8dp"/>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 4121fb2..441822e 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,10 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.drawerlayout.widget.DrawerLayout
+    android:id="@+id/drawerLayout"
+    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=".MainActivity">
+    tools:context=".main.MainActivity">
+
+<RelativeLayout
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".main.MainActivity">
     <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent">
@@ -77,8 +84,6 @@
                 android:paddingStart="10dp"
                 android:textSize="20sp"
                 android:layout_width="match_parent"
-                android:textColor="#000"
-                android:background="@drawable/edit_bg"
                 android:layout_height="?attr/actionBarSize"
                 android:id="@+id/search"/>
             <View
@@ -95,9 +100,17 @@
             android:layout_weight="1"/>
     </LinearLayout>
 
-
-
-
-
-
 </RelativeLayout>
+    <com.google.android.material.navigation.NavigationView
+        android:layout_width="240dp"
+        android:layout_height="match_parent"
+        android:id="@+id/nav"
+        android:layout_gravity="start"
+        app:menu="@menu/nav_menu"
+        app:headerLayout="@layout/nav_header"
+        android:fitsSystemWindows="true"/>
+<!--        TODO 侧边连：登录 收藏 Tag列表-->
+
+
+</androidx.drawerlayout.widget.DrawerLayout>
+
diff --git a/app/src/main/res/layout/activity_pic.xml b/app/src/main/res/layout/activity_pic.xml
index 3779ab4..9fe08d7 100644
--- a/app/src/main/res/layout/activity_pic.xml
+++ b/app/src/main/res/layout/activity_pic.xml
@@ -8,7 +8,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".PicActivity">
+    tools:context=".pic.PicActivity">
 
 
     <com.google.android.material.appbar.AppBarLayout
diff --git a/app/src/main/res/layout/nav_header.xml b/app/src/main/res/layout/nav_header.xml
new file mode 100644
index 0000000..8bd917f
--- /dev/null
+++ b/app/src/main/res/layout/nav_header.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/nav_header"
+    android:layout_width="match_parent"
+    android:layout_height="180dp">
+
+
+    <TextView
+        android:id="@+id/name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:text="Null"
+        android:layout_marginEnd="30dp"
+        android:textSize="32sp" />
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:layout_gravity="bottom"
+        android:background="#000"/>
+
+</FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/nav_menu.xml b/app/src/main/res/menu/nav_menu.xml
index 2e0b078..308f417 100644
--- a/app/src/main/res/menu/nav_menu.xml
+++ b/app/src/main/res/menu/nav_menu.xml
@@ -2,13 +2,16 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
     <group android:checkableBehavior="single">
         <item
-            android:id="@+id/yande"
-            android:icon="@drawable/ic_launcher_foreground"
-            android:title="Yande.re"/>
+            android:id="@+id/photo"
+            android:icon="@drawable/ic_baseline_insert_photo_24"
+            android:title="Photo"/>
         <item
-            android:id="@+id/ko"
-            android:icon="@drawable/ic_launcher_foreground"
-            android:title="Yande.re"/>
+            android:id="@+id/fav"
+            android:icon="@drawable/ic_baseline_favorite_24"
+            android:title="Favorite"/>
+        <item
+            android:id="@+id/taglist"
+            android:icon="@drawable/ic_baseline_label_24"
+            android:title="Tags"/>
     </group>
-
 </menu>
\ No newline at end of file