diff --git a/app/src/main/java/io/legado/app/constant/AppLog.kt b/app/src/main/java/io/legado/app/constant/AppLog.kt
index a9db5d848..8a175fb2a 100644
--- a/app/src/main/java/io/legado/app/constant/AppLog.kt
+++ b/app/src/main/java/io/legado/app/constant/AppLog.kt
@@ -5,7 +5,7 @@ object AppLog {
     val logs = arrayListOf<Triple<Long, String, Throwable?>>()
 
     @Synchronized
-    fun addLog(message: String?, throwable: Throwable?) {
+    fun addLog(message: String?, throwable: Throwable? = null) {
         message ?: return
         if (logs.size > 100) {
             logs.removeLastOrNull()
diff --git a/app/src/main/java/io/legado/app/ui/document/HandleFileViewModel.kt b/app/src/main/java/io/legado/app/ui/document/HandleFileViewModel.kt
index 71168e333..37fb436f8 100644
--- a/app/src/main/java/io/legado/app/ui/document/HandleFileViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/document/HandleFileViewModel.kt
@@ -5,6 +5,7 @@ import android.net.Uri
 import androidx.documentfile.provider.DocumentFile
 import androidx.lifecycle.MutableLiveData
 import io.legado.app.base.BaseViewModel
+import io.legado.app.constant.AppLog
 import io.legado.app.help.DirectLinkUpload
 import io.legado.app.utils.FileUtils
 import io.legado.app.utils.isContentScheme
@@ -27,6 +28,7 @@ class HandleFileViewModel(application: Application) : BaseViewModel(application)
         }.onSuccess {
             success.invoke(it)
         }.onError {
+            AppLog.addLog("上传文件失败\n${it.localizedMessage}", it)
             it.printOnDebug()
             errorLiveData.postValue(it.localizedMessage)
         }