diff --git a/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt b/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt
index eda0978df..889197060 100644
--- a/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt
@@ -1,5 +1,6 @@
 package io.legado.app.help.source
 
+import com.script.rhino.runScriptWithContext
 import io.legado.app.constant.BookSourceType
 import io.legado.app.constant.BookType
 import io.legado.app.data.entities.BookSource
@@ -11,7 +12,6 @@ import io.legado.app.utils.MD5Utils
 import io.legado.app.utils.fromJsonArray
 import io.legado.app.utils.isJsonArray
 import io.legado.app.utils.printOnDebug
-import com.script.rhino.runScriptWithContext
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
@@ -96,6 +96,14 @@ suspend fun BookSourcePart.clearExploreKindsCache() {
     }
 }
 
+suspend fun BookSource.clearExploreKindsCache() {
+    withContext(Dispatchers.IO) {
+        val exploreKindsKey = getExploreKindsKey()
+        aCache.remove(exploreKindsKey)
+        exploreKindsMap.remove(exploreKindsKey)
+    }
+}
+
 fun BookSource.getBookType(): Int {
     return when (bookSourceType) {
         BookSourceType.file -> BookType.text or BookType.webFile
diff --git a/app/src/main/java/io/legado/app/model/SharedJsScope.kt b/app/src/main/java/io/legado/app/model/SharedJsScope.kt
index 3ddee85ce..36b6388a1 100644
--- a/app/src/main/java/io/legado/app/model/SharedJsScope.kt
+++ b/app/src/main/java/io/legado/app/model/SharedJsScope.kt
@@ -1,5 +1,6 @@
 package io.legado.app.model
 
+import androidx.collection.LruCache
 import com.google.gson.reflect.TypeToken
 import com.script.ScriptBindings
 import com.script.rhino.RhinoScriptEngine
@@ -24,7 +25,7 @@ object SharedJsScope {
     private val cacheFolder = File(appCtx.cacheDir, "shareJs")
     private val aCache = ACache.get(cacheFolder)
 
-    private val scopeMap = hashMapOf<String, WeakReference<Scriptable>>()
+    private val scopeMap = LruCache<String, WeakReference<Scriptable>>(16)
 
     fun getScope(jsLib: String?, coroutineContext: CoroutineContext?): Scriptable? {
         if (jsLib.isNullOrBlank()) {
@@ -70,7 +71,7 @@ object SharedJsScope {
             if (scope is ScriptableObject) {
                 scope.sealObject()
             }
-            scopeMap[key] = WeakReference(scope)
+            scopeMap.put(key, WeakReference(scope))
         }
         return scope
     }
diff --git a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
index 137227563..6b8ec5928 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/debug/BookSourceDebugActivity.kt
@@ -11,6 +11,7 @@ import androidx.lifecycle.lifecycleScope
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.databinding.ActivitySourceDebugBinding
+import io.legado.app.help.source.clearExploreKindsCache
 import io.legado.app.help.source.exploreKinds
 import io.legado.app.lib.dialogs.selector
 import io.legado.app.lib.theme.accentColor
@@ -117,6 +118,10 @@ class BookSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, BookS
         binding.textContent.onClick {
             prefixAutoComplete("--")
         }
+        initExploreKinds()
+    }
+
+    private fun initExploreKinds() {
         lifecycleScope.launch {
             val exploreKinds = viewModel.bookSource?.exploreKinds()?.filter {
                 !it.url.isNullOrBlank()
@@ -188,6 +193,10 @@ class BookSourceDebugActivity : VMBaseActivity<ActivitySourceDebugBinding, BookS
             R.id.menu_book_src -> showDialogFragment(TextDialog("html", viewModel.bookSrc))
             R.id.menu_toc_src -> showDialogFragment(TextDialog("html", viewModel.tocSrc))
             R.id.menu_content_src -> showDialogFragment(TextDialog("html", viewModel.contentSrc))
+            R.id.menu_refresh_explore -> lifecycleScope.launch {
+                viewModel.bookSource?.clearExploreKindsCache()
+                initExploreKinds()
+            }
             R.id.menu_help -> showHelp("debugHelp")
         }
         return super.onCompatOptionsItemSelected(item)
diff --git a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
index 2eeec34eb..0f9760e1d 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt
@@ -123,7 +123,7 @@ class BookSourceEditActivity :
     override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.menu_save -> viewModel.save(getSource()) {
-                setResult(Activity.RESULT_OK, Intent().putExtra("origin", it.bookSourceUrl))
+                setResult(RESULT_OK, Intent().putExtra("origin", it.bookSourceUrl))
                 finish()
             }
 
diff --git a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
index 4def14d01..80c043064 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
@@ -12,8 +12,18 @@ import io.legado.app.help.config.SourceConfig
 import io.legado.app.help.http.CookieStore
 import io.legado.app.help.http.newCallStrResponse
 import io.legado.app.help.http.okHttpClient
+import io.legado.app.help.source.clearExploreKindsCache
 import io.legado.app.help.storage.ImportOldData
-import io.legado.app.utils.*
+import io.legado.app.utils.GSON
+import io.legado.app.utils.fromJsonArray
+import io.legado.app.utils.fromJsonObject
+import io.legado.app.utils.getClipText
+import io.legado.app.utils.isAbsUrl
+import io.legado.app.utils.isJsonArray
+import io.legado.app.utils.isJsonObject
+import io.legado.app.utils.jsonPath
+import io.legado.app.utils.printOnDebug
+import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.Dispatchers
 
 
@@ -41,8 +51,12 @@ class BookSourceEditViewModel(application: Application) : BaseViewModel(applicat
             if (source.bookSourceUrl.isBlank() || source.bookSourceName.isBlank()) {
                 throw NoStackTraceException(context.getString(R.string.non_null_name_url))
             }
-            if (!source.equal(bookSource ?: BookSource())) {
+            val oldSource = bookSource ?: BookSource()
+            if (!source.equal(oldSource)) {
                 source.lastUpdateTime = System.currentTimeMillis()
+                if (oldSource.exploreUrl != source.exploreUrl) {
+                    oldSource.clearExploreKindsCache()
+                }
             }
             bookSource?.let {
                 appDb.bookSourceDao.delete(it)
diff --git a/app/src/main/res/menu/book_source_debug.xml b/app/src/main/res/menu/book_source_debug.xml
index ec7878377..61d06c578 100644
--- a/app/src/main/res/menu/book_source_debug.xml
+++ b/app/src/main/res/menu/book_source_debug.xml
@@ -30,6 +30,11 @@
         android:title="@string/content_src"
         app:showAsAction="never" />
 
+    <item
+        android:id="@+id/menu_refresh_explore"
+        android:title="@string/refresh_explore"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/menu_help"
         android:title="@string/help"
diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index 11ee47f7f..e5ee2e95b 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -1209,4 +1209,5 @@
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>
diff --git a/app/src/main/res/values-ja-rJP/strings.xml b/app/src/main/res/values-ja-rJP/strings.xml
index 7034b8357..c3651790c 100644
--- a/app/src/main/res/values-ja-rJP/strings.xml
+++ b/app/src/main/res/values-ja-rJP/strings.xml
@@ -1212,4 +1212,5 @@
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 41e8b0332..b3bd0b2ae 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -1212,4 +1212,5 @@
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>
diff --git a/app/src/main/res/values-vi/strings.xml b/app/src/main/res/values-vi/strings.xml
index 107051a80..329ec0d70 100644
--- a/app/src/main/res/values-vi/strings.xml
+++ b/app/src/main/res/values-vi/strings.xml
@@ -1208,4 +1208,5 @@ Còn </string>
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index fbdaf3635..ecec94f69 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -1209,4 +1209,5 @@
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 9f35179ce..261653317 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -1211,4 +1211,5 @@
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index c8fce01b0..c4ca202ec 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -1211,4 +1211,5 @@
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 107fd8481..1f23e8e14 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1212,4 +1212,5 @@
     <string name="enable_manga_horizontal_scroll">水平滚动</string>
     <string name="manga_color_filter">滤镜</string>
     <string name="hide_manga_title">隐藏漫画列表标题</string>
+    <string name="refresh_explore">刷新发现</string>
 </resources>