diff --git a/app/src/main/java/io/legado/app/lib/theme/view/ATEAutoCompleteTextView.kt b/app/src/main/java/io/legado/app/lib/theme/view/ATEAutoCompleteTextView.kt
index c88327109..8fb7063e0 100644
--- a/app/src/main/java/io/legado/app/lib/theme/view/ATEAutoCompleteTextView.kt
+++ b/app/src/main/java/io/legado/app/lib/theme/view/ATEAutoCompleteTextView.kt
@@ -38,9 +38,11 @@ class ATEAutoCompleteTextView : AppCompatAutoCompleteTextView {
         showDropDown()
     }
 
-    fun setFilterValues(values: List<String>, delCallBack: ((value: String) -> Unit)? = null) {
+    fun setFilterValues(values: List<String>?, delCallBack: ((value: String) -> Unit)? = null) {
         this.delCallBack = delCallBack
-        setAdapter(MyAdapter(context, values))
+        values?.let {
+            setAdapter(MyAdapter(context, values))
+        }
     }
 
     fun setFilterValues(vararg value: String, delCallBack: ((value: String) -> Unit)? = null) {
diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
index 95fa8f635..c00d4167f 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceActivity.kt
@@ -165,13 +165,17 @@ class BookSourceActivity : VMBaseActivity<BookSourceViewModel>(R.layout.activity
 
     @SuppressLint("InflateParams")
     private fun showImportDialog() {
-        val cacheUrls = ACache.get(this, "cacheUrls")
+        val cacheUrls: List<String>? = ACache
+            .get(this, "cacheUrls", cacheDir = false)
+            ?.getAsString("sourceUrl")
+            ?.splitNotBlank(";")
+            ?.toMutableList()
         alert(titleResource = R.string.import_book_source_on_line) {
             var editText: ATEAutoCompleteTextView? = null
             customView {
                 layoutInflater.inflate(R.layout.dialog_edit_text, null).apply {
                     editText = edit_view
-                    edit_view.setFilterValues("") {
+                    edit_view.setFilterValues(cacheUrls) {
 
                     }
                 }
diff --git a/app/src/main/java/io/legado/app/utils/ACache.kt b/app/src/main/java/io/legado/app/utils/ACache.kt
index f40fac7f2..049b623da 100644
--- a/app/src/main/java/io/legado/app/utils/ACache.kt
+++ b/app/src/main/java/io/legado/app/utils/ACache.kt
@@ -769,31 +769,27 @@ class ACache private constructor(cacheDir: File, max_size: Long, max_count: Int)
         private val mInstanceMap = HashMap<String, ACache>()
 
         @JvmOverloads
-        operator fun get(ctx: Context, cacheName: String = "ACache"): ACache? {
-            val f = File(ctx.cacheDir, cacheName)
-            return get(f, MAX_SIZE.toLong(), MAX_COUNT)
-        }
-
-        operator fun get(ctx: Context, max_zise: Long, max_count: Int): ACache? {
-            try {
-                val f = File(ctx.cacheDir, "ACache")
-                return get(f, max_zise, max_count)
-            } catch (ignored: Exception) {
-            }
-
-            return null
+        fun get(
+            ctx: Context,
+            cacheName: String = "ACache",
+            maxSize: Long = MAX_SIZE.toLong(),
+            maxCount: Int = MAX_COUNT,
+            cacheDir: Boolean = true
+        ): ACache? {
+            val f = if (cacheDir) File(ctx.cacheDir, cacheName) else File(ctx.filesDir, cacheName)
+            return get(f, maxSize, maxCount)
         }
 
         @JvmOverloads
-        operator fun get(
+        fun get(
             cacheDir: File,
-            max_zise: Long = MAX_SIZE.toLong(),
-            max_count: Int = MAX_COUNT
+            maxSize: Long = MAX_SIZE.toLong(),
+            maxCount: Int = MAX_COUNT
         ): ACache? {
             try {
                 var manager = mInstanceMap[cacheDir.absoluteFile.toString() + myPid()]
                 if (manager == null) {
-                    manager = ACache(cacheDir, max_zise, max_count)
+                    manager = ACache(cacheDir, maxSize, maxCount)
                     mInstanceMap[cacheDir.absolutePath + myPid()] = manager
                 }
                 return manager