diff --git a/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt b/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt
index c0c55d6a8..3df39f3f2 100644
--- a/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt
+++ b/app/src/main/java/io/legado/app/base/BaseDialogFragment.kt
@@ -1,5 +1,7 @@
 package io.legado.app.base
 
+import android.content.DialogInterface
+import android.content.DialogInterface.OnDismissListener
 import android.os.Bundle
 import android.view.View
 import androidx.annotation.LayoutRes
@@ -18,9 +20,13 @@ import kotlin.coroutines.CoroutineContext
 abstract class BaseDialogFragment(
     @LayoutRes layoutID: Int,
     private val adaptationSoftKeyboard: Boolean = false
-) : DialogFragment(layoutID),
+) : DialogFragment(layoutID), CoroutineScope by MainScope() {
 
-    CoroutineScope by MainScope() {
+    private var onDismissListener: OnDismissListener? = null
+
+    fun setOnDismissListener(onDismissListener: OnDismissListener?) {
+        this.onDismissListener = onDismissListener
+    }
 
     override fun onStart() {
         super.onStart()
@@ -51,6 +57,11 @@ abstract class BaseDialogFragment(
         }
     }
 
+    override fun onDismiss(dialog: DialogInterface) {
+        super.onDismiss(dialog)
+        onDismissListener?.onDismiss(dialog)
+    }
+
     override fun onDestroy() {
         super.onDestroy()
         cancel()
diff --git a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
index b55a240b7..3b5270e19 100644
--- a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
@@ -47,6 +47,8 @@ import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
 
 /**
  * 主界面
@@ -92,21 +94,25 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
 
     override fun onPostCreate(savedInstanceState: Bundle?) {
         super.onPostCreate(savedInstanceState)
-        upVersion()
-        privacyPolicy()
-        //请求设置书籍保存位置
-        setBookStorage()
-        //自动更新书籍
-        val isAutoRefreshedBook = savedInstanceState?.getBoolean("isAutoRefreshedBook") ?: false
-        if (AppConfig.autoRefreshBook && !isAutoRefreshedBook) {
-            binding.viewPagerMain.postDelayed(1000) {
-                viewModel.upAllBookToc()
+        launch {
+            //隐私协议
+            if (!privacyPolicy()) return@launch
+            //版本更新
+            upVersion()
+            //请求设置书籍保存位置
+            setBookStorage()
+            //自动更新书籍
+            val isAutoRefreshedBook = savedInstanceState?.getBoolean("isAutoRefreshedBook") ?: false
+            if (AppConfig.autoRefreshBook && !isAutoRefreshedBook) {
+                binding.viewPagerMain.postDelayed(1000) {
+                    viewModel.upAllBookToc()
+                }
             }
+            binding.viewPagerMain.postDelayed(3000) {
+                viewModel.postLoad()
+            }
+            syncAlert()
         }
-        binding.viewPagerMain.postDelayed(3000) {
-            viewModel.postLoad()
-        }
-        syncAlert()
     }
 
     override fun onNavigationItemSelected(item: MenuItem): Boolean = binding.run {
@@ -142,17 +148,57 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
         }
     }
 
-    private fun upVersion() {
-        if (LocalConfig.versionCode != appInfo.versionCode) {
-            LocalConfig.versionCode = appInfo.versionCode
-            if (LocalConfig.isFirstOpenApp) {
-                val help = String(assets.open("help/appHelp.md").readBytes())
-                showDialogFragment(TextDialog(help, TextDialog.Mode.MD))
-            } else if (!BuildConfig.DEBUG) {
-                val log = String(assets.open("updateLog.md").readBytes())
-                showDialogFragment(TextDialog(log, TextDialog.Mode.MD))
+    /**
+     * 用户隐私与协议
+     */
+    private suspend fun privacyPolicy(): Boolean = suspendCoroutine { block ->
+        if (LocalConfig.privacyPolicyOk) {
+            block.resume(true)
+            return@suspendCoroutine
+        }
+        val privacyPolicy = String(assets.open("privacyPolicy.md").readBytes())
+        alert("用户隐私与协议", privacyPolicy) {
+            noButton {
+                finish()
+                block.resume(false)
             }
-            viewModel.upVersion()
+            yesButton {
+                LocalConfig.privacyPolicyOk = true
+                block.resume(true)
+            }
+            onCancelled {
+                finish()
+                block.resume(false)
+            }
+        }
+    }
+
+    /**
+     * 版本更新日志
+     */
+    private suspend fun upVersion() = suspendCoroutine { block ->
+        if (LocalConfig.versionCode == appInfo.versionCode) {
+            block.resume(Unit)
+            return@suspendCoroutine
+        }
+        LocalConfig.versionCode = appInfo.versionCode
+        viewModel.upVersion()
+        if (LocalConfig.isFirstOpenApp) {
+            val help = String(assets.open("help/appHelp.md").readBytes())
+            val dialog = TextDialog(help, TextDialog.Mode.MD)
+            dialog.setOnDismissListener {
+                block.resume(Unit)
+            }
+            showDialogFragment(dialog)
+        } else if (!BuildConfig.DEBUG) {
+            val log = String(assets.open("updateLog.md").readBytes())
+            val dialog = TextDialog(log, TextDialog.Mode.MD)
+            dialog.setOnDismissListener {
+                block.resume(Unit)
+            }
+            showDialogFragment(dialog)
+        } else {
+            block.resume(Unit)
         }
     }
 
@@ -173,23 +219,6 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
         }
     }
 
-    /**
-     * 用户隐私与协议
-     */
-    private fun privacyPolicy() {
-        if (LocalConfig.privacyPolicyOk) return
-        val privacyPolicy = String(assets.open("privacyPolicy.md").readBytes())
-        alert("用户隐私与协议", privacyPolicy) {
-            noButton()
-            yesButton {
-                LocalConfig.privacyPolicyOk = true
-            }
-            onCancelled {
-                finish()
-            }
-        }
-    }
-
     /**
      * 设置书籍保存位置
      */
@@ -200,10 +229,10 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
         val storageHelp = String(assets.open("storageHelp.md").readBytes())
         alert("设置书籍保存位置", storageHelp) {
             yesButton {
-              localBookTreeSelect.launch {
-                  title = getString(R.string.select_book_folder)
-                  mode = HandleFileContract.DIR_SYS
-              }
+                localBookTreeSelect.launch {
+                    title = getString(R.string.select_book_folder)
+                    mode = HandleFileContract.DIR_SYS
+                }
             }
             noButton()
         }