diff --git a/app/src/main/java/io/legado/app/data/dao/CacheDao.kt b/app/src/main/java/io/legado/app/data/dao/CacheDao.kt
index 863199b75..7ebd9bbd9 100644
--- a/app/src/main/java/io/legado/app/data/dao/CacheDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/CacheDao.kt
@@ -9,6 +9,9 @@ import io.legado.app.data.entities.Cache
 @Dao
 interface CacheDao {
 
+    @Query("select * from caches where `key` = :key")
+    fun get(key: String): Cache?
+
     @Query("select value from caches where `key` = :key and (deadline = 0 or deadline > :now)")
     fun get(key: String, now: Long): String?
 
diff --git a/app/src/main/java/io/legado/app/help/CacheManager.kt b/app/src/main/java/io/legado/app/help/CacheManager.kt
index 3a4bf6ea1..e9e597648 100644
--- a/app/src/main/java/io/legado/app/help/CacheManager.kt
+++ b/app/src/main/java/io/legado/app/help/CacheManager.kt
@@ -41,15 +41,23 @@ object CacheManager {
     }
 
     fun get(key: String): String? {
-        return getFromMemory(key) ?: appDb.cacheDao.get(key, System.currentTimeMillis())
+        getFromMemory(key)?.let {
+            return it
+        }
+        val cache = appDb.cacheDao.get(key)
+        if (cache != null && (cache.deadline == 0L || cache.deadline > System.currentTimeMillis())) {
+            memoryLruCache.put(key, cache)
+            return cache.value
+        }
+        return null
     }
 
-    //从内存中获取数据 使用lrucache 支持过期功能
+    //从内存中获取数据 使用lruCache 支持过期功能
     private fun getFromMemory(key: String): String? {
         val cache = memoryLruCache.get(key) ?: return null
-        val deadline = cache!!.deadline
+        val deadline = cache.deadline
         return if (deadline == 0L || deadline > System.currentTimeMillis()) {
-            cache!!.value
+            cache.value
         } else {
             memoryLruCache.remove(key)
             null
diff --git a/app/src/main/java/io/legado/app/help/SourceVerificationHelp.kt b/app/src/main/java/io/legado/app/help/SourceVerificationHelp.kt
index 3f3a302dc..8efbf914b 100644
--- a/app/src/main/java/io/legado/app/help/SourceVerificationHelp.kt
+++ b/app/src/main/java/io/legado/app/help/SourceVerificationHelp.kt
@@ -1,13 +1,13 @@
 package io.legado.app.help
 
-import io.legado.app.utils.startActivity
 import io.legado.app.constant.AppLog
-import io.legado.app.exception.NoStackTraceException
 import io.legado.app.data.entities.BaseSource
-import io.legado.app.ui.browser.WebViewActivity
+import io.legado.app.exception.NoStackTraceException
 import io.legado.app.ui.association.VerificationCodeActivity
-import splitties.init.appCtx
+import io.legado.app.ui.browser.WebViewActivity
+import io.legado.app.utils.startActivity
 import kotlinx.coroutines.runBlocking
+import splitties.init.appCtx
 
 
 object SourceVerificationHelp {
@@ -19,13 +19,13 @@ object SourceVerificationHelp {
     fun getVerificationResult(source: BaseSource?, url: String, title: String, useBrowser: Boolean): String {
         source ?: throw NoStackTraceException("getVerificationResult parameter source cannot be null")
         return runBlocking {
-            val key = "${source?.getKey() ?: ""}_verificationResult"
+            val key = "${source.getKey()}_verificationResult"
             CacheManager.delete(key)
 
             if (!useBrowser) {
                 appCtx.startActivity<VerificationCodeActivity> {
                     putExtra("imageUrl", url)
-                    putExtra("sourceOrigin", source?.getKey())
+                    putExtra("sourceOrigin", source.getKey())
                 }
             } else {
                 startBrowser(source, url, title, true)
@@ -39,10 +39,8 @@ object SourceVerificationHelp {
                 }
             }
             CacheManager.get(key)!!.let {
-                if (it.isBlank()) {
+                it.ifBlank {
                     throw NoStackTraceException("验证结果为空")
-                } else {
-                   it
                 }
             }
        }
@@ -57,9 +55,9 @@ object SourceVerificationHelp {
         appCtx.startActivity<WebViewActivity> {
             putExtra("title", title)
             putExtra("url", url)
-            putExtra("sourceOrigin", source?.getKey())
+            putExtra("sourceOrigin", source.getKey())
             putExtra("sourceVerificationEnable", saveResult)
-            IntentData.put(url, source?.getHeaderMap(true))
+            IntentData.put(url, source.getHeaderMap(true))
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/association/VerificationCodeDialog.kt b/app/src/main/java/io/legado/app/ui/association/VerificationCodeDialog.kt
index 918747a46..a38f17cfc 100644
--- a/app/src/main/java/io/legado/app/ui/association/VerificationCodeDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/VerificationCodeDialog.kt
@@ -1,9 +1,9 @@
 package io.legado.app.ui.association
 
+import android.annotation.SuppressLint
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
-import android.net.Uri
 import com.bumptech.glide.request.RequestOptions
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
@@ -39,11 +39,12 @@ class VerificationCodeDialog() : BaseDialogFragment(R.layout.dialog_verification
         setLayout(1f, ViewGroup.LayoutParams.WRAP_CONTENT)
     }
 
+    @SuppressLint("CheckResult")
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         binding.run {
             toolBar.setBackgroundColor(primaryColor)
             val sourceOrigin = arguments?.getString("sourceOrigin")
-            val key = "${sourceOrigin ?: ""}_verificationResult"
+            val key = "${sourceOrigin}_verificationResult"
             arguments?.getString("imageUrl")?.let { imageUrl ->
                 ImageLoader.load(requireContext(), imageUrl).apply {
                     sourceOrigin?.let {