diff --git a/app/src/main/java/io/legado/app/ui/welcome/WelcomeActivity.kt b/app/src/main/java/io/legado/app/ui/welcome/WelcomeActivity.kt
index efe7a36ff..77ef26284 100644
--- a/app/src/main/java/io/legado/app/ui/welcome/WelcomeActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/welcome/WelcomeActivity.kt
@@ -2,10 +2,10 @@ package io.legado.app.ui.welcome
 
 import android.animation.Animator
 import android.animation.ValueAnimator
+import android.content.Intent
 import android.os.Bundle
 import io.legado.app.R
 import io.legado.app.base.BaseActivity
-import io.legado.app.lib.theme.ThemeStore
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.ui.main.MainActivity
 import kotlinx.android.synthetic.main.activity_welcome.*
@@ -15,6 +15,11 @@ class WelcomeActivity : BaseActivity(R.layout.activity_welcome) {
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         iv_bg.setColorFilter(accentColor)
+        // 避免从桌面启动程序后，会重新实例化入口类的activity
+        if (intent.flags and Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT != 0) {
+            finish()
+            return
+        }
         val welAnimator = ValueAnimator.ofFloat(1f, 0f).setDuration(800)
         welAnimator.startDelay = 100
         welAnimator.addUpdateListener { animation ->