diff --git a/app/build.gradle b/app/build.gradle
index c52001f..7201666 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -80,4 +80,6 @@ dependencies {
     implementation "androidx.camera:camera-view:1.0.0-alpha25"
     //圆形视图库
     implementation 'com.makeramen:roundedimageview:2.3.0'
+    //完整版引入
+    implementation 'io.github.carguo:gsyvideoplayer:13.2.1'
 }
diff --git a/app/src/main/java/com/juhabi/birds/AppConfig.kt b/app/src/main/java/com/juhabi/birds/AppConfig.kt
index 8e711b8..b56aaa8 100644
--- a/app/src/main/java/com/juhabi/birds/AppConfig.kt
+++ b/app/src/main/java/com/juhabi/birds/AppConfig.kt
@@ -12,6 +12,8 @@ object AppConfig {
     const val SEND_CODE_SCENE_LOGIN = "login"
     //验证码场景  --重置密码
     const val SEND_CODE_SCENE_RESET = "resetPwd"
+    //验证码场景  --更换手机号
+    const val SEND_CODE_SCENE_REBIND = "rebind"
 
     @Volatile
     var userToken: String = ""
diff --git a/app/src/main/java/com/juhabi/birds/base/BaseActivity.kt b/app/src/main/java/com/juhabi/birds/base/BaseActivity.kt
index 29dc330..e041a30 100644
--- a/app/src/main/java/com/juhabi/birds/base/BaseActivity.kt
+++ b/app/src/main/java/com/juhabi/birds/base/BaseActivity.kt
@@ -276,7 +276,17 @@ abstract class BaseActivity<VB : ViewBinding, P : IPresenter<*>> :
             }
         }
         dialog.setCanceledOnTouchOutside(touchOutsideCancel)
-        dialog.setOnShowListener { dialog.window?.setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT)) }
+        dialog.setOnShowListener {
+            dialog.window?.apply {
+                // 直接设置窗口宽度，确保屏幕左右各保留 50dp，避免 AlertDialog 默认宽度影响根布局 margin。
+                setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT))
+                setLayout(
+                    (resources.displayMetrics.widthPixels -
+                        2 * (50 * resources.displayMetrics.density).toInt()),
+                    WindowManager.LayoutParams.WRAP_CONTENT
+                )
+            }
+        }
         dialog.show()
     }
 
@@ -322,7 +332,17 @@ abstract class BaseActivity<VB : ViewBinding, P : IPresenter<*>> :
             }
         }
         dialog.setCanceledOnTouchOutside(touchOutsideCancel)
-        dialog.setOnShowListener { dialog.window?.setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT)) }
+        dialog.setOnShowListener {
+            dialog.window?.apply {
+                // 固定窗口宽度，确保输入弹窗左右各保留 50dp。
+                setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT))
+                setLayout(
+                    (resources.displayMetrics.widthPixels -
+                        2 * (50 * resources.displayMetrics.density).toInt()),
+                    WindowManager.LayoutParams.WRAP_CONTENT
+                )
+            }
+        }
         dialog.show()
     }
 
@@ -370,7 +390,17 @@ abstract class BaseActivity<VB : ViewBinding, P : IPresenter<*>> :
         val dialog = AlertDialog.Builder(this).setView(view).create()
         view.findViewById<TextView>(R.id.permissionCancel).setOnClickListener { dialog.dismiss(); onCancel() }
         view.findViewById<TextView>(R.id.permissionAllow).setOnClickListener { dialog.dismiss(); onAllow() }
-        dialog.setOnShowListener { dialog.window?.setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT)) }
+        dialog.setOnShowListener {
+            dialog.window?.apply {
+                // 动态权限确认弹窗固定左右各 50dp，避免使用 AlertDialog 默认宽度。
+                setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT))
+                setLayout(
+                    (resources.displayMetrics.widthPixels -
+                        2 * (50 * resources.displayMetrics.density).toInt()),
+                    WindowManager.LayoutParams.WRAP_CONTENT
+                )
+            }
+        }
         dialog.show()
     }
 
diff --git a/app/src/main/java/com/juhabi/birds/base/BaseFragment.kt b/app/src/main/java/com/juhabi/birds/base/BaseFragment.kt
index 41b34fa..b092c14 100644
--- a/app/src/main/java/com/juhabi/birds/base/BaseFragment.kt
+++ b/app/src/main/java/com/juhabi/birds/base/BaseFragment.kt
@@ -276,7 +276,17 @@ abstract class BaseFragment<VB : ViewBinding, P : IPresenter<*>> : Fragment(), I
             }
         }
         dialog.setCanceledOnTouchOutside(touchOutsideCancel)
-        dialog.setOnShowListener { dialog.window?.setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT)) }
+        dialog.setOnShowListener {
+            dialog.window?.apply {
+                // 直接设置窗口宽度，确保屏幕左右各保留 50dp，避免 AlertDialog 默认宽度影响根布局 margin。
+                setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT))
+                setLayout(
+                    (resources.displayMetrics.widthPixels -
+                        2 * (50 * resources.displayMetrics.density).toInt()),
+                    WindowManager.LayoutParams.WRAP_CONTENT
+                )
+            }
+        }
         dialog.show()
     }
 
@@ -322,7 +332,17 @@ abstract class BaseFragment<VB : ViewBinding, P : IPresenter<*>> : Fragment(), I
             }
         }
         dialog.setCanceledOnTouchOutside(touchOutsideCancel)
-        dialog.setOnShowListener { dialog.window?.setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT)) }
+        dialog.setOnShowListener {
+            dialog.window?.apply {
+                // 固定窗口宽度，确保输入弹窗左右各保留 50dp。
+                setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT))
+                setLayout(
+                    (resources.displayMetrics.widthPixels -
+                        2 * (50 * resources.displayMetrics.density).toInt()),
+                    WindowManager.LayoutParams.WRAP_CONTENT
+                )
+            }
+        }
         dialog.show()
     }
 
@@ -368,7 +388,17 @@ abstract class BaseFragment<VB : ViewBinding, P : IPresenter<*>> : Fragment(), I
         val dialog = AlertDialog.Builder(requireContext()).setView(view).create()
         view.findViewById<TextView>(R.id.permissionCancel).setOnClickListener { dialog.dismiss(); onCancel() }
         view.findViewById<TextView>(R.id.permissionAllow).setOnClickListener { dialog.dismiss(); onAllow() }
-        dialog.setOnShowListener { dialog.window?.setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT)) }
+        dialog.setOnShowListener {
+            dialog.window?.apply {
+                // 动态权限确认弹窗固定左右各 50dp，避免使用 AlertDialog 默认宽度。
+                setBackgroundDrawable(ColorDrawable(android.graphics.Color.TRANSPARENT))
+                setLayout(
+                    (resources.displayMetrics.widthPixels -
+                        2 * (50 * resources.displayMetrics.density).toInt()),
+                    WindowManager.LayoutParams.WRAP_CONTENT
+                )
+            }
+        }
         dialog.show()
     }
     /** 关闭并释放顶部权限提示弹窗。 */
diff --git a/app/src/main/java/com/juhabi/birds/mine/MineFragment.kt b/app/src/main/java/com/juhabi/birds/mine/MineFragment.kt
index fe274f3..4c4dc95 100644
--- a/app/src/main/java/com/juhabi/birds/mine/MineFragment.kt
+++ b/app/src/main/java/com/juhabi/birds/mine/MineFragment.kt
@@ -4,6 +4,8 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import java.io.File
+import java.util.Locale
 import com.juhabi.birds.base.BaseFragment
 import com.juhabi.birds.mine.model.MineUserInfo
 import com.juhabi.birds.R
@@ -14,6 +16,8 @@ import com.juhabi.birds.mine.mvp.MineContract
 import com.juhabi.birds.mine.mvp.MineImpl
 import com.juhabi.birds.mine.mvp.MinePresenter
 import com.juhabi.birds.util.manager.UserInfoManager
+import com.juhabi.birds.AppConfig
+import com.juhabi.birds.login.LoginActivity
 
 /**
  * 个人中心
@@ -31,11 +35,13 @@ class MineFragment : BaseFragment<MineCenterLayoutBinding, MinePresenter>(),
 
     override fun onResume() {
         super.onResume()
+        displayCacheSize()
         /** 页面恢复显示时重新请求当前用户的个人信息。 */
         presenter?.getUserInfo()
     }
 
     override fun initView(savedInstanceState: Bundle?) {
+        displayCacheSize()
         listOf(
             binding.linearXgmm,
             binding.linearGhsj,
@@ -62,6 +68,23 @@ class MineFragment : BaseFragment<MineCenterLayoutBinding, MinePresenter>(),
                 goTo(UpdateUserAccount::class.java, null)
             }
 
+            R.id.linear_qchc -> {
+                showDialogtext(
+                    "提示",
+                    "清除当前应用缓存？",
+                    "确定",
+                    "取消",
+                    object : OnDialogClick {
+                        override fun onCancelClick() {
+                        }
+
+                        override fun onConfirmClick() {
+                            clearCache()
+                        }
+                    }
+                )
+            }
+
 
             //退出登录
             R.id.tv_logout -> {
@@ -75,7 +98,8 @@ class MineFragment : BaseFragment<MineCenterLayoutBinding, MinePresenter>(),
                         }
 
                         override fun onConfirmClick() {
-                            // 退出登录接口后续接入
+                            // 用户确认后调用服务端退出登录接口。
+                            presenter?.userLogout()
                         }
                     }
                 )
@@ -108,4 +132,75 @@ class MineFragment : BaseFragment<MineCenterLayoutBinding, MinePresenter>(),
     override fun showError(message: String) {
         showMessage(message)
     }
+
+    override fun onLogoutSuccess(message: String) {
+        val context = context ?: return
+        // 服务端退出成功后清除本地账号信息，避免应用重启后恢复旧登录状态。
+        UserInfoManager.clearUser(context)
+        AppConfig.USER_LOGIN = false
+        showMessage(message)
+
+        // 清空之前的页面栈，防止用户返回到已登录页面。
+        goToClearTask(LoginActivity::class.java, null)
+    }
+
+    /** 查询应用缓存大小，并将结果显示在个人中心页面。 */
+    private fun displayCacheSize() {
+        val context = context ?: return
+        Thread {
+            val cacheSize = getFolderSize(context.cacheDir)
+            val sizeText = formatCacheSize(cacheSize)
+            activity?.runOnUiThread {
+                if (isAdded && view != null) {
+                    binding.tvTotalCache.text = sizeText
+                }
+            }
+        }.start()
+    }
+
+    /** 清理应用缓存，删除完成后重新创建缓存目录并刷新显示。 */
+    private fun clearCache() {
+        val context = context ?: return
+        Thread {
+            deleteDir(context.cacheDir)
+            context.cacheDir.mkdirs()
+            activity?.runOnUiThread {
+                if (isAdded && view != null) {
+                    binding.tvTotalCache.text = formatCacheSize(0L)
+                    showMessage("缓存清理成功")
+                }
+            }
+        }.start()
+    }
+
+    /** 递归计算目录下所有文件的字节数。 */
+    private fun getFolderSize(directory: File?): Long {
+        if (directory == null || !directory.exists()) {
+            return 0L
+        }
+        if (directory.isFile) {
+            return directory.length()
+        }
+        return directory.listFiles()?.sumOf { file -> getFolderSize(file) } ?: 0L
+    }
+
+    /** 递归删除文件或目录。 */
+    private fun deleteDir(file: File?): Boolean {
+        if (file == null || !file.exists()) {
+            return true
+        }
+        if (file.isDirectory) {
+            file.listFiles()?.forEach { child -> deleteDir(child) }
+        }
+        return file.delete()
+    }
+
+    /** 大于等于 1 MB 使用 MB，否则使用 KB，保持与旧 Java 页面一致。 */
+    private fun formatCacheSize(bytes: Long): String {
+        return if (bytes >= 1024L * 1024L) {
+            String.format(Locale.US, "%.2f MB", bytes / (1024.0 * 1024.0))
+        } else {
+            String.format(Locale.US, "%d KB", bytes / 1024L)
+        }
+    }
 }
diff --git a/app/src/main/java/com/juhabi/birds/mine/UpdateUserAccount.kt b/app/src/main/java/com/juhabi/birds/mine/UpdateUserAccount.kt
index f251edf..92c7db8 100644
--- a/app/src/main/java/com/juhabi/birds/mine/UpdateUserAccount.kt
+++ b/app/src/main/java/com/juhabi/birds/mine/UpdateUserAccount.kt
@@ -1,6 +1,7 @@
 package com.juhabi.birds.mine
 
 import android.os.Bundle
+import android.os.CountDownTimer
 import android.view.LayoutInflater
 import android.view.View
 import com.gyf.immersionbar.ImmersionBar
@@ -14,12 +15,15 @@ import com.juhabi.birds.mine.mvp.MineContract
 import com.juhabi.birds.mine.mvp.MineImpl
 import com.juhabi.birds.mine.mvp.MinePresenter
 import com.juhabi.birds.util.manager.UserInfoManager
+import com.juhabi.birds.util.ToastUtil
 
 /**
  * 修改手机号
  */
 class UpdateUserAccount  : BaseActivity<UpdateUserPhoneLayoutBinding, MinePresenter>(),
     MineContract.MineView, View.OnClickListener   {
+    private var codeCountDownTimer: CountDownTimer? = null
+    private var newPhoneCodeCountDownTimer: CountDownTimer? = null
     override fun createBinding(inflater: LayoutInflater): UpdateUserPhoneLayoutBinding {
         return UpdateUserPhoneLayoutBinding.inflate(inflater)
     }
@@ -59,22 +63,132 @@ class UpdateUserAccount  : BaseActivity<UpdateUserPhoneLayoutBinding, MinePresen
             }
 
             R.id.tv_confirm_getcode ->{
-
+                // 新接口根据登录态识别当前手机号，不需要传手机号或验证码场景。
+                presenter?.getCurrentPhoneCode()
             }
 
             R.id.tv_confirmAccount ->{
+                // 只有填写旧手机号收到的验证码后，才能进入新手机号填写页面。
+                val confirmCode = binding.EtConfirmCode.text.toString().trim()
+                if (confirmCode.isBlank()) {
+                    ToastUtil.showShort(mContext, "验证码不能为空")
+                    return
+                }
+
+                // 服务端校验通过后，再进入新手机号填写页面。
+                presenter?.verifyOldPhone(confirmCode)
             }
 
             R.id.tv_new_phone_getcode ->{
+                // 新手机号不能为空，校验通过后使用 rebind 场景发送验证码。
+                val newPhone = binding.etNewPhone.text.toString().trim()
+                if (newPhone.isBlank()) {
+                    ToastUtil.showShort(mContext, "新手机号不能为空")
+                    return
+                }
+                presenter?.sendNewPhoneCode(newPhone)
             }
 
             R.id.tv_submit_new_account ->{
+                //绑定新的手机号码
+                val newPhone = binding.etNewPhone.text.toString().trim()
+                val code = binding.etNewPhoneCode.text.toString().trim()
+                if (newPhone.isBlank()) {
+                    ToastUtil.showShort(mContext, "新手机号不能为空")
+                    return
+                }
+                if (code.isBlank()) {
+                    ToastUtil.showShort(mContext, "验证码不能为空")
+                    return
+                }
+
+                // 手机号和验证码校验通过后，提交新手机号换绑请求。
+                presenter?.updateBindNewPhone(newPhone, code)
             }
 
         }
     }
 
     override fun showError(message: String) {
+        hideLoading()
+        ToastUtil.showShort(mContext, message)
+    }
+
+    override fun sendCodeSuccess(message: String) {
+        hideLoading()
+        ToastUtil.showShort(mContext, message)
+        codeCountDownTimer?.cancel()
+        binding.tvConfirmGetcode.apply {
+            isEnabled = false
+            isClickable = false
+            setBackgroundResource(R.drawable.shape_register_code_disabled_bg)
+            text = getString(R.string.register_code_countdown, CODE_COUNTDOWN_SECONDS)
+        }
+        codeCountDownTimer = object : CountDownTimer(CODE_COUNTDOWN_MILLIS, 1_000L) {
+            override fun onTick(millisUntilFinished: Long) {
+                val secondsRemaining = (millisUntilFinished + 999L) / 1_000L
+                binding.tvConfirmGetcode.text = getString(
+                    R.string.register_code_countdown,
+                    secondsRemaining
+                )
+            }
+
+            override fun onFinish() {
+                codeCountDownTimer = null
+                binding.tvConfirmGetcode.apply {
+                    isEnabled = true
+                    isClickable = true
+                    setBackgroundResource(R.drawable.shape_register_code_bg)
+                    setText(R.string.register_get_code)
+                }
+            }
+        }.start()
+    }
+
+    override fun onVerifyOldPhoneSuccess(message: String) {
+        hideLoading()
+        ToastUtil.showShort(mContext, message)
+        // 当前手机号验证成功后，隐藏验证区域并展示新手机号输入区域。
+        binding.linearConfirmUserAccount.visibility = View.GONE
+        binding.linearNewUserAccount.visibility = View.VISIBLE
+    }
+
+    override fun newPhoneCodeSuccess(message: String) {
+        hideLoading()
+        ToastUtil.showShort(mContext, message)
+        newPhoneCodeCountDownTimer?.cancel()
+        binding.tvNewPhoneGetcode.apply {
+            isEnabled = false
+            isClickable = false
+            setBackgroundResource(R.drawable.shape_register_code_disabled_bg)
+            text = getString(R.string.register_code_countdown, CODE_COUNTDOWN_SECONDS)
+        }
+        newPhoneCodeCountDownTimer = object : CountDownTimer(CODE_COUNTDOWN_MILLIS, 1_000L) {
+            override fun onTick(millisUntilFinished: Long) {
+                val secondsRemaining = (millisUntilFinished + 999L) / 1_000L
+                binding.tvNewPhoneGetcode.text = getString(
+                    R.string.register_code_countdown,
+                    secondsRemaining
+                )
+            }
+
+            override fun onFinish() {
+                newPhoneCodeCountDownTimer = null
+                binding.tvNewPhoneGetcode.apply {
+                    isEnabled = true
+                    isClickable = true
+                    setBackgroundResource(R.drawable.shape_register_code_bg)
+                    setText(R.string.register_get_code)
+                }
+            }
+        }.start()
+    }
+
+    override fun onUpdateBindNewPhoneSuccess(message: String) {
+        hideLoading()
+        ToastUtil.showShort(mContext, message)
+        // 返回个人中心后，MineFragment 会在 onResume 中重新获取最新用户资料。
+        finish()
     }
 
     override fun getUserInfoSuccess(userInfo: MineUserInfo) {
@@ -83,5 +197,18 @@ class UpdateUserAccount  : BaseActivity<UpdateUserPhoneLayoutBinding, MinePresen
     override fun onVersionChecked(versionInfo: AppVersionInfo) {
     }
 
+    override fun onDestroy() {
+        codeCountDownTimer?.cancel()
+        codeCountDownTimer = null
+        newPhoneCodeCountDownTimer?.cancel()
+        newPhoneCodeCountDownTimer = null
+        super.onDestroy()
+    }
 
-}
\ No newline at end of file
+    private companion object {
+        const val CODE_COUNTDOWN_SECONDS = 60L
+        const val CODE_COUNTDOWN_MILLIS = CODE_COUNTDOWN_SECONDS * 1_000L
+    }
+
+
+}
diff --git a/app/src/main/java/com/juhabi/birds/mine/mvp/MineContract.kt b/app/src/main/java/com/juhabi/birds/mine/mvp/MineContract.kt
index 434b525..e992799 100644
--- a/app/src/main/java/com/juhabi/birds/mine/mvp/MineContract.kt
+++ b/app/src/main/java/com/juhabi/birds/mine/mvp/MineContract.kt
@@ -3,6 +3,9 @@ package com.juhabi.birds.mine.mvp
 import com.juhabi.birds.base.IView
 import com.juhabi.birds.main.model.AppVersionInfo
 import com.juhabi.birds.mine.model.MineUserInfo
+import com.juhabi.birds.network.BaseBean
+import com.juhabi.birds.login.model.SendCodeEntity
+import org.json.JSONObject
 
 interface MineContract {
     interface Callback<T> {
@@ -17,6 +20,15 @@ interface MineContract {
             callback: Callback<AppVersionInfo>
         )
         fun modifyPassword(oldPassword: String, newPassword: String, callback: Callback<String>)
+        fun getCurrentPhoneCode(callback: Callback<BaseBean<Any>>)
+        fun sendPhoneCode(request: JSONObject, callback: Callback<BaseBean<SendCodeEntity>>)
+        fun verifyOldPhone(oldCode: String, callback: Callback<BaseBean<Any>>)
+        fun updateBindNewPhone(
+            newPhoneNumber: String,
+            code: String,
+            callback: Callback<BaseBean<Any>>
+        )
+        fun userLogout(callback: Callback<BaseBean<Any>>)
         fun cancel()
     }
 
@@ -25,5 +37,15 @@ interface MineContract {
         fun onVersionChecked(versionInfo: AppVersionInfo)
         /** 修改密码成功回调，非修改密码页面无需处理。 */
         fun onModifyPasswordSuccess(message: String) {}
+        /** 发送验证码成功回调。 */
+        fun sendCodeSuccess(message: String) {}
+        /** 新手机号验证码发送成功回调。 */
+        fun newPhoneCodeSuccess(message: String) {}
+        /** 当前手机号验证成功回调。 */
+        fun onVerifyOldPhoneSuccess(message: String) {}
+        /** 新手机号绑定成功回调。 */
+        fun onUpdateBindNewPhoneSuccess(message: String) {}
+        /** 退出登录成功回调。 */
+        fun onLogoutSuccess(message: String) {}
     }
 }
diff --git a/app/src/main/java/com/juhabi/birds/mine/mvp/MineImpl.kt b/app/src/main/java/com/juhabi/birds/mine/mvp/MineImpl.kt
index 931e0f3..16836a3 100644
--- a/app/src/main/java/com/juhabi/birds/mine/mvp/MineImpl.kt
+++ b/app/src/main/java/com/juhabi/birds/mine/mvp/MineImpl.kt
@@ -11,12 +11,177 @@ import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
 import org.json.JSONObject
+import com.juhabi.birds.login.model.SendCodeEntity
 
 class MineImpl : MineContract.DataModel {
     private val mainHandler = Handler(Looper.getMainLooper())
     private var userInfoCall: Call<BaseBean<MineUserInfo>>? = null
     private var versionCall: Call<BaseBean<AppVersionInfo>>? = null
     private var modifyPasswordCall: Call<BaseBean<Any>>? = null
+    private var sendCodeCall: Call<BaseBean<Any>>? = null
+    private var verifyOldPhoneCall: Call<BaseBean<Any>>? = null
+    private var newPhoneCodeCall: Call<BaseBean<SendCodeEntity>>? = null
+    private var updateBindNewPhoneCall: Call<BaseBean<Any>>? = null
+    private var logoutCall: Call<BaseBean<Any>>? = null
+
+    override fun getCurrentPhoneCode(
+        callback: MineContract.Callback<BaseBean<Any>>
+    ) {
+        sendCodeCall?.cancel()
+        sendCodeCall = ApiClient.apiService
+            .getCurrentPhoneCode(NetworkManager.getToken())
+            .also { call ->
+                call.enqueue(object : Callback<BaseBean<Any>> {
+                    override fun onResponse(
+                        call: Call<BaseBean<Any>>,
+                        response: Response<BaseBean<Any>>
+                    ) {
+                        mainHandler.post {
+                            response.body()?.let(callback::success)
+                                ?: callback.fail("验证码发送失败")
+                        }
+                    }
+
+                    override fun onFailure(
+                        call: Call<BaseBean<Any>>,
+                        error: Throwable
+                    ) {
+                        if (!call.isCanceled) {
+                            mainHandler.post { callback.fail(error.message ?: "网络请求失败") }
+                        }
+                    }
+                })
+            }
+    }
+
+    override fun sendPhoneCode(
+        request: JSONObject,
+        callback: MineContract.Callback<BaseBean<SendCodeEntity>>
+    ) {
+        newPhoneCodeCall?.cancel()
+        newPhoneCodeCall = ApiClient.apiService
+            .sendPhoneCode(NetworkManager.getToken(), NetworkManager.toRequestBody(request))
+            .also { call ->
+                call.enqueue(object : Callback<BaseBean<SendCodeEntity>> {
+                    override fun onResponse(
+                        call: Call<BaseBean<SendCodeEntity>>,
+                        response: Response<BaseBean<SendCodeEntity>>
+                    ) {
+                        mainHandler.post {
+                            response.body()?.let(callback::success)
+                                ?: callback.fail("验证码发送失败")
+                        }
+                    }
+
+                    override fun onFailure(
+                        call: Call<BaseBean<SendCodeEntity>>,
+                        error: Throwable
+                    ) {
+                        if (!call.isCanceled) {
+                            mainHandler.post { callback.fail(error.message ?: "网络请求失败") }
+                        }
+                    }
+                })
+            }
+    }
+
+    override fun verifyOldPhone(
+        oldCode: String,
+        callback: MineContract.Callback<BaseBean<Any>>
+    ) {
+        verifyOldPhoneCall?.cancel()
+        val requestBody = JSONObject().apply {
+            put("oldCode", oldCode.trim())
+        }
+        verifyOldPhoneCall = ApiClient.apiService
+            .verifyOldPhone(NetworkManager.getToken(), NetworkManager.toRequestBody(requestBody))
+            .also { call ->
+                call.enqueue(object : Callback<BaseBean<Any>> {
+                    override fun onResponse(
+                        call: Call<BaseBean<Any>>,
+                        response: Response<BaseBean<Any>>
+                    ) {
+                        mainHandler.post {
+                            response.body()?.let(callback::success)
+                                ?: callback.fail("当前手机号验证失败")
+                        }
+                    }
+
+                    override fun onFailure(call: Call<BaseBean<Any>>, error: Throwable) {
+                        if (!call.isCanceled) {
+                            mainHandler.post {
+                                callback.fail(error.message ?: "网络请求失败")
+                            }
+                        }
+                    }
+                })
+            }
+    }
+
+    override fun updateBindNewPhone(
+        newPhoneNumber: String,
+        code: String,
+        callback: MineContract.Callback<BaseBean<Any>>
+    ) {
+        updateBindNewPhoneCall?.cancel()
+        val requestBody = JSONObject().apply {
+            put("newPhoneNumber", newPhoneNumber.trim())
+            put("code", code.trim())
+        }
+        updateBindNewPhoneCall = ApiClient.apiService
+            .updateBindNewPhone(
+                NetworkManager.getToken(),
+                NetworkManager.toRequestBody(requestBody)
+            )
+            .also { call ->
+                call.enqueue(object : Callback<BaseBean<Any>> {
+                    override fun onResponse(
+                        call: Call<BaseBean<Any>>,
+                        response: Response<BaseBean<Any>>
+                    ) {
+                        mainHandler.post {
+                            response.body()?.let(callback::success)
+                                ?: callback.fail("手机号更换失败")
+                        }
+                    }
+
+                    override fun onFailure(call: Call<BaseBean<Any>>, error: Throwable) {
+                        if (!call.isCanceled) {
+                            mainHandler.post {
+                                callback.fail(error.message ?: "网络请求失败")
+                            }
+                        }
+                    }
+                })
+            }
+    }
+
+    override fun userLogout(callback: MineContract.Callback<BaseBean<Any>>) {
+        logoutCall?.cancel()
+        logoutCall = ApiClient.apiService
+            .userLogout(NetworkManager.getToken())
+            .also { call ->
+                call.enqueue(object : Callback<BaseBean<Any>> {
+                    override fun onResponse(
+                        call: Call<BaseBean<Any>>,
+                        response: Response<BaseBean<Any>>
+                    ) {
+                        mainHandler.post {
+                            response.body()?.let(callback::success)
+                                ?: callback.fail("退出登录失败")
+                        }
+                    }
+
+                    override fun onFailure(call: Call<BaseBean<Any>>, error: Throwable) {
+                        if (!call.isCanceled) {
+                            mainHandler.post {
+                                callback.fail(error.message ?: "网络请求失败")
+                            }
+                        }
+                    }
+                })
+            }
+    }
 
     override fun getUserInfo(
         params: Map<String, String>,
@@ -145,6 +310,16 @@ class MineImpl : MineContract.DataModel {
         versionCall = null
         modifyPasswordCall?.cancel()
         modifyPasswordCall = null
+        sendCodeCall?.cancel()
+        sendCodeCall = null
+        verifyOldPhoneCall?.cancel()
+        verifyOldPhoneCall = null
+        newPhoneCodeCall?.cancel()
+        newPhoneCodeCall = null
+        updateBindNewPhoneCall?.cancel()
+        updateBindNewPhoneCall = null
+        logoutCall?.cancel()
+        logoutCall = null
         mainHandler.removeCallbacksAndMessages(null)
     }
 }
diff --git a/app/src/main/java/com/juhabi/birds/mine/mvp/MinePresenter.kt b/app/src/main/java/com/juhabi/birds/mine/mvp/MinePresenter.kt
index b383613..c902a7b 100644
--- a/app/src/main/java/com/juhabi/birds/mine/mvp/MinePresenter.kt
+++ b/app/src/main/java/com/juhabi/birds/mine/mvp/MinePresenter.kt
@@ -3,9 +3,149 @@ package com.juhabi.birds.mine.mvp
 import com.juhabi.birds.base.BasePresenter
 import com.juhabi.birds.main.model.AppVersionInfo
 import com.juhabi.birds.mine.model.MineUserInfo
+import com.juhabi.birds.network.BaseBean
+import com.juhabi.birds.login.model.SendCodeEntity
+import org.json.JSONObject
 
 class MinePresenter(private val mineImpl: MineImpl) : BasePresenter<MineContract.MineView>() {
 
+    /** 通过登录态向当前绑定的手机号发送验证码，无需额外请求参数。 */
+    fun getCurrentPhoneCode() {
+        val currentView = view ?: return
+        currentView.showLoading()
+        mineImpl.getCurrentPhoneCode(object : MineContract.Callback<BaseBean<Any>> {
+            override fun success(data: BaseBean<Any>) {
+                view?.apply {
+                    hideLoading()
+                    if (data.code == 0 || data.code == 200) {
+                        sendCodeSuccess(data.message.ifBlank { "验证码已发送" })
+                    } else {
+                        showError(data.message.ifBlank { "验证码发送失败" })
+                    }
+                }
+            }
+
+            override fun fail(message: String) {
+                view?.apply {
+                    hideLoading()
+                    showError(message)
+                }
+            }
+        })
+    }
+
+    /** 向新手机号发送 rebind 场景验证码。 */
+    fun sendNewPhoneCode(phoneNumber: String) {
+        val currentView = view ?: return
+        currentView.showLoading()
+        val request = JSONObject().apply {
+            put("phoneNumber", phoneNumber.trim())
+            put("scene", com.juhabi.birds.AppConfig.SEND_CODE_SCENE_REBIND)
+        }
+        mineImpl.sendPhoneCode(request, object : MineContract.Callback<BaseBean<SendCodeEntity>> {
+            override fun success(data: BaseBean<SendCodeEntity>) {
+                view?.apply {
+                    hideLoading()
+                    if (data.code == 0 || data.code == 200) {
+                        newPhoneCodeSuccess(data.message.ifBlank { "验证码已发送" })
+                    } else {
+                        showError(data.message.ifBlank { "验证码发送失败" })
+                    }
+                }
+            }
+
+            override fun fail(message: String) {
+                view?.apply {
+                    hideLoading()
+                    showError(message)
+                }
+            }
+        })
+    }
+
+    /** 校验当前手机号收到的验证码。 */
+    fun verifyOldPhone(oldCode: String) {
+        val currentView = view ?: return
+        currentView.showLoading()
+        mineImpl.verifyOldPhone(oldCode, object : MineContract.Callback<BaseBean<Any>> {
+            override fun success(data: BaseBean<Any>) {
+                view?.apply {
+                    hideLoading()
+                    if (data.code == 0 || data.code == 200) {
+                        onVerifyOldPhoneSuccess(
+                            data.message.ifBlank { "当前手机号验证成功" }
+                        )
+                    } else {
+                        showError(data.message.ifBlank { "当前手机号验证失败" })
+                    }
+                }
+            }
+
+            override fun fail(message: String) {
+                view?.apply {
+                    hideLoading()
+                    showError(message)
+                }
+            }
+        })
+    }
+
+    /** 提交新手机号和验证码，完成手机号换绑。 */
+    fun updateBindNewPhone(newPhoneNumber: String, code: String) {
+        val currentView = view ?: return
+        currentView.showLoading()
+        mineImpl.updateBindNewPhone(
+            newPhoneNumber,
+            code,
+            object : MineContract.Callback<BaseBean<Any>> {
+                override fun success(data: BaseBean<Any>) {
+                    view?.apply {
+                        hideLoading()
+                        if (data.code == 0 || data.code == 200) {
+                            onUpdateBindNewPhoneSuccess(
+                                data.message.ifBlank { "手机号更换成功" }
+                            )
+                        } else {
+                            showError(data.message.ifBlank { "手机号更换失败" })
+                        }
+                    }
+                }
+
+                override fun fail(message: String) {
+                    view?.apply {
+                        hideLoading()
+                        showError(message)
+                    }
+                }
+            }
+        )
+    }
+
+    /** 调用服务端退出登录接口，并统一分发成功或失败结果。 */
+    fun userLogout() {
+        val currentView = view ?: return
+        currentView.showLoading()
+        mineImpl.userLogout(object : MineContract.Callback<BaseBean<Any>> {
+            override fun success(data: BaseBean<Any>) {
+                view?.apply {
+                    hideLoading()
+                    if (data.code == 0 || data.code == 200) {
+                        onLogoutSuccess(data.message.ifBlank { "退出登录成功" })
+                    } else {
+                        showError(data.message.ifBlank { "退出登录失败" })
+                    }
+                }
+            }
+
+            override fun fail(message: String) {
+                view?.apply {
+                    hideLoading()
+                    showError(message)
+                }
+            }
+        })
+    }
+
     fun getUserInfo() {
         val currentView = view ?: return
         currentView.showLoading()
diff --git a/app/src/main/java/com/juhabi/birds/network/ApiService.kt b/app/src/main/java/com/juhabi/birds/network/ApiService.kt
index e661577..c2856c8 100644
--- a/app/src/main/java/com/juhabi/birds/network/ApiService.kt
+++ b/app/src/main/java/com/juhabi/birds/network/ApiService.kt
@@ -23,6 +23,14 @@ interface ApiService {
 
 
     //发送手机验证码
+    /**
+     * 入参
+     * {
+     *     "phoneNumber": "15550099523",
+     *     "scene": "场景值"
+     * }
+     *
+     */
     @POST("app/auth/sms/code")
     fun sendPhoneCode(@HeaderMap headers: Map<String, String>, @Body requestBody: RequestBody): Call<BaseBean<SendCodeEntity>>
 
@@ -194,6 +202,48 @@ interface ApiService {
     fun modifyPassword(@HeaderMap headers: Map<String, String>, @Body requestBody: RequestBody): Call<BaseBean<Any>>
 
 
+    /**
+     * 验证原手机号--发送短信
+     *
+     * 不需要任何入参，
+    */
+    @POST("app/user/phone/old-code")
+    fun getCurrentPhoneCode(@HeaderMap headers: Map<String, String>): Call<BaseBean<Any>>
+
+
+    /**
+     * 验证原手机号--验证手机号
+     *
+     * 入参
+     *{
+     *   "oldCode": "123456"
+     * }
+     *
+     */
+    @POST("app/user/phone/verify-old")
+    fun verifyOldPhone(@HeaderMap headers: Map<String, String>, @Body requestBody: RequestBody): Call<BaseBean<Any>>
+
+
+    /**
+     * 更换新的绑定手机号码
+    {
+    "newPhoneNumber": "string",
+    "code": "string"
+    }
+     */
+    @PUT("app/user/phone")
+    fun updateBindNewPhone(@HeaderMap headers: Map<String, String>, @Body requestBody: RequestBody): Call<BaseBean<Any>>
+
+
+    /**
+     * 退出登录
+     *
+     * 不需要任何入参，
+     */
+    @POST("app/auth/logout")
+    fun userLogout(@HeaderMap headers: Map<String, String>): Call<BaseBean<Any>>
+
+
 
 
     @GET("app/v1/checkVersion")
diff --git a/app/src/main/res/layout/dialog_input_text.xml b/app/src/main/res/layout/dialog_input_text.xml
index ef6ccce..efdcca0 100644
--- a/app/src/main/res/layout/dialog_input_text.xml
+++ b/app/src/main/res/layout/dialog_input_text.xml
@@ -3,7 +3,6 @@
     android:id="@+id/contentDialog"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_marginHorizontal="36dp"
     android:background="@drawable/bg_confirm_dialog"
     android:orientation="vertical">
 
diff --git a/app/src/main/res/layout/include_activity_back_gray_layout.xml b/app/src/main/res/layout/include_activity_back_gray_layout.xml
index a9603c9..da0ea52 100644
--- a/app/src/main/res/layout/include_activity_back_gray_layout.xml
+++ b/app/src/main/res/layout/include_activity_back_gray_layout.xml
@@ -12,7 +12,7 @@
             android:layout_width="22dp"
             android:layout_height="match_parent"
             android:layout_centerVertical="true"
-            android:src="@mipmap/img_back_black"
+            android:src="@mipmap/icon_back_white"
             android:layout_marginStart="10dp"/>
         <TextView
             android:id="@+id/tv_title"
diff --git a/app/src/main/res/layout/mine_center_layout.xml b/app/src/main/res/layout/mine_center_layout.xml
index 35f055a..8875335 100644
--- a/app/src/main/res/layout/mine_center_layout.xml
+++ b/app/src/main/res/layout/mine_center_layout.xml
@@ -140,13 +140,25 @@
                 <TextView
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
-                    android:layout_weight="9"
+                    android:layout_weight="5"
                     android:layout_marginStart="18dp"
                     android:textStyle="bold"
                     android:textSize="16sp"
                     android:textColor="@color/white"
                     android:text="清除缓存"/>
 
+                <TextView
+                    android:id="@+id/tv_total_cache"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="2"
+                    android:layout_marginStart="18dp"
+                    android:gravity="end"
+                    android:textSize="12sp"
+                    android:textColor="@color/white"
+                    android:text=""
+                    android:singleLine="true"/>
+
                 <ImageView
                     android:layout_width="0dp"
                     android:layout_height="24dp"
diff --git a/app/src/main/res/layout/permission_confirm_dialog.xml b/app/src/main/res/layout/permission_confirm_dialog.xml
index cd18eb3..78a9190 100644
--- a/app/src/main/res/layout/permission_confirm_dialog.xml
+++ b/app/src/main/res/layout/permission_confirm_dialog.xml
@@ -3,7 +3,6 @@
     android:id="@+id/contentDialog"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_marginHorizontal="36dp"
     android:background="@drawable/bg_confirm_dialog"
     android:orientation="vertical">
 
diff --git a/app/src/main/res/layout/update_user_phone_layout.xml b/app/src/main/res/layout/update_user_phone_layout.xml
index fc55a45..5d4afca 100644
--- a/app/src/main/res/layout/update_user_phone_layout.xml
+++ b/app/src/main/res/layout/update_user_phone_layout.xml
@@ -23,6 +23,7 @@
         android:id="@+id/linear_confirm_user_account"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
         android:orientation="vertical"
         android:visibility="visible">
         <LinearLayout
@@ -121,6 +122,7 @@
         android:id="@+id/linear_new_user_account"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
         android:orientation="vertical"
         android:visibility="gone">
         <LinearLayout
diff --git a/app/src/main/res/mipmap-xhdpi/icon_back_white.png b/app/src/main/res/mipmap-xhdpi/icon_back_white.png
new file mode 100644
index 0000000..64dd754
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/icon_back_white.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/icon_back_white.png b/app/src/main/res/mipmap-xxhdpi/icon_back_white.png
new file mode 100644
index 0000000..3170537
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/icon_back_white.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/icon_back_white.png b/app/src/main/res/mipmap-xxxhdpi/icon_back_white.png
new file mode 100644
index 0000000..8acd55b
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/icon_back_white.png differ