diff --git a/app/src/main/java/io/legado/app/constant/AppPattern.kt b/app/src/main/java/io/legado/app/constant/AppPattern.kt
index 258f30680..c9ed09ac0 100644
--- a/app/src/main/java/io/legado/app/constant/AppPattern.kt
+++ b/app/src/main/java/io/legado/app/constant/AppPattern.kt
@@ -21,6 +21,9 @@ object AppPattern {
     //书源调试信息中的各种符号
     val debugMessageSymbolRegex = Regex("[⇒◇┌└≡]")
 
+    //本地书籍支持类型
+    val bookFileRegex = Regex("(?i).*\\.(txt|epub|umd)")
+
     /**
      * 所有标点
      */
diff --git a/app/src/main/java/io/legado/app/ui/association/FileAssociationViewModel.kt b/app/src/main/java/io/legado/app/ui/association/FileAssociationViewModel.kt
index a0ec71b1e..85ac06534 100644
--- a/app/src/main/java/io/legado/app/ui/association/FileAssociationViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/association/FileAssociationViewModel.kt
@@ -4,12 +4,12 @@ import android.app.Application
 import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.MutableLiveData
+import io.legado.app.constant.AppPattern.bookFileRegex
 import io.legado.app.exception.NoStackTraceException
 import io.legado.app.model.localBook.LocalBook
 import io.legado.app.utils.isJson
 import io.legado.app.utils.printOnDebug
 import io.legado.app.utils.readText
-
 import java.io.File
 
 class FileAssociationViewModel(application: Application) : BaseAssociationViewModel(application) {
@@ -48,8 +48,10 @@ class FileAssociationViewModel(application: Application) : BaseAssociationViewMo
                             importHttpTTS(content, finally)
                         else -> errorLiveData.postValue("格式不对")
                     }
-                } else {
+                } else if (uri.toString().matches(bookFileRegex)) {
                     importBookLiveData.postValue(uri)
+                } else {
+                    throw NoStackTraceException("暂未支持的本地书籍格式(TXT/UMD/EPUB)")
                 }
             } else {
                 onLineImportLive.postValue(uri)
diff --git a/app/src/main/java/io/legado/app/ui/book/local/ImportBookViewModel.kt b/app/src/main/java/io/legado/app/ui/book/local/ImportBookViewModel.kt
index 5efef485b..22a1ca00b 100644
--- a/app/src/main/java/io/legado/app/ui/book/local/ImportBookViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/local/ImportBookViewModel.kt
@@ -4,6 +4,7 @@ import android.app.Application
 import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import io.legado.app.base.BaseViewModel
+import io.legado.app.constant.AppPattern.bookFileRegex
 import io.legado.app.constant.PreferKey
 import io.legado.app.model.localBook.LocalBook
 import io.legado.app.utils.*
@@ -19,9 +20,7 @@ import kotlinx.coroutines.withContext
 import java.io.File
 import java.util.*
 
-
 class ImportBookViewModel(application: Application) : BaseViewModel(application) {
-    private val bookFileRegex = Regex("(?i).*\\.(txt|epub|umd)")
     var sort = context.getPrefInt(PreferKey.localBookImportSort)
     var dataCallback: DataCallback? = null
     var dataFlowStart: (() -> Unit)? = null