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 9a328c603..65ec277ed 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
@@ -4,13 +4,16 @@ import android.app.Application
 import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.MutableLiveData
+import io.legado.app.R
 import io.legado.app.constant.AppPattern.bookFileRegex
 import io.legado.app.exception.NoStackTraceException
+import io.legado.app.lib.dialogs.alert
 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
+import splitties.init.appCtx
 
 class FileAssociationViewModel(application: Application) : BaseAssociationViewModel(application) {
     val importBookLiveData = MutableLiveData<Uri>()
@@ -37,11 +40,16 @@ class FileAssociationViewModel(application: Application) : BaseAssociationViewMo
                     content.isJson() -> {
                         importJson(content)
                     }
-                    fileName.matches(bookFileRegex) -> {
-                        importBookLiveData.postValue(uri)
+                    !fileName.matches(bookFileRegex) -> {
+                        appCtx.alert(title = appCtx.getString(R.string.draw), message = appCtx.getString(R.string.file_not_supported, fileName)) {
+                            okButton {
+                                importBookLiveData.postValue(uri)
+                            }
+                            cancelButton()
+                        }
                     }
                     else -> {
-                        throw NoStackTraceException("$fileName 暂未支持的本地书籍格式(TXT/UMD/EPUB)")
+                        importBookLiveData.postValue(uri)
                     }
                 }
             } else {
diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index 1c1ebb484..fe5df6c92 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -974,5 +974,6 @@
     <string name="input_verification_code">输入验证码</string>
     <string name="verification_code">验证码</string>
     <string name="timeout_millisecond">超时毫秒数</string>
+    <string name="file_not_supported">Continue to open although %1$s is not supported ?</string>
     <!-- string end -->
 </resources>
diff --git a/app/src/main/res/values-ja-rJP/strings.xml b/app/src/main/res/values-ja-rJP/strings.xml
index 02b599a14..353d069d9 100644
--- a/app/src/main/res/values-ja-rJP/strings.xml
+++ b/app/src/main/res/values-ja-rJP/strings.xml
@@ -977,5 +977,6 @@
     <string name="input_verification_code">输入验证码</string>
     <string name="verification_code">验证码</string>
     <string name="timeout_millisecond">超时毫秒数</string>
+    <string name="file_not_supported">Continue to open although %1$s is not supported ?</string>
     <!-- string end -->
 </resources>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index faba804f0..a48c48550 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -977,5 +977,6 @@
     <string name="input_verification_code">输入验证码</string>
     <string name="verification_code">验证码</string>
     <string name="timeout_millisecond">超时毫秒数</string>
+    <string name="file_not_supported">Continue to open although %1$s is not supported ?</string>
     <!-- string end -->
 </resources>
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index c9262f925..7fc0a122c 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -974,5 +974,6 @@
     <string name="input_verification_code">输入验证码</string>
     <string name="verification_code">验证码</string>
     <string name="timeout_millisecond">超时毫秒数</string>
+    <string name="file_not_supported">文件%1$s 不受支持，是否继续打开？</string>
     <!-- string end -->
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 0334fd0ab..e3268bd18 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -976,5 +976,6 @@
     <string name="input_verification_code">输入验证码</string>
     <string name="verification_code">验证码</string>
     <string name="timeout_millisecond">超时毫秒数</string>
+    <string name="file_not_supported">文件%1$s 不受支持，是否继续打开？</string>
     <!-- string end -->
 </resources>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index f522e28bc..5e9a4d0c0 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -976,5 +976,6 @@
     <string name="input_verification_code">输入验证码</string>
     <string name="verification_code">验证码</string>
     <string name="timeout_millisecond">超时毫秒数</string>
+    <string name="file_not_supported">文件%1$s 不受支持，是否继续打开？</string>
     <!-- string end -->
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 4468bf740..d1b76d892 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -977,7 +977,6 @@
     <string name="input_verification_code">输入验证码</string>
     <string name="verification_code">验证码</string>
     <string name="timeout_millisecond">超时毫秒数</string>
-
-
+    <string name="file_not_supported">Continue to open although %1$s is not supported ?</string>
     <!-- string end -->
 </resources>