diff --git a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceViewModel.kt
index 6e1c98db2..73293a824 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/manage/BookSourceViewModel.kt
@@ -11,6 +11,7 @@ import io.legado.app.help.http.HttpHelper
 import io.legado.app.help.storage.OldRule
 import io.legado.app.help.storage.Restore.jsonPath
 import io.legado.app.utils.*
+import kotlinx.coroutines.Dispatchers
 import java.io.File
 
 class BookSourceViewModel(application: Application) : BaseViewModel(application) {
@@ -130,7 +131,7 @@ class BookSourceViewModel(application: Application) : BaseViewModel(application)
     }
 
     fun importSource(text: String) {
-        execute {
+        execute(context = Dispatchers.Main) {
             val text1 = text.trim()
             if (text1.isJsonObject()) {
                 val json = JsonPath.parse(text1)
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt
index 79bf0f9f5..ae6e8c739 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt
@@ -9,6 +9,7 @@ import io.legado.app.base.BaseViewModel
 import io.legado.app.data.entities.RssSource
 import io.legado.app.utils.GSON
 import io.legado.app.utils.fromJsonObject
+import kotlinx.coroutines.Dispatchers
 
 class RssSourceEditViewModel(application: Application) : BaseViewModel(application) {
 
@@ -50,7 +51,7 @@ class RssSourceEditViewModel(application: Application) : BaseViewModel(applicati
     }
 
     fun pasteSource(onSuccess: (source: RssSource) -> Unit) {
-        execute {
+        execute(context = Dispatchers.Main) {
             var source: RssSource? = null
             val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager?
             clipboard?.primaryClip?.let {
diff --git a/app/src/main/java/io/legado/app/utils/GsonExtensions.kt b/app/src/main/java/io/legado/app/utils/GsonExtensions.kt
index d81ef7ac6..13b105618 100644
--- a/app/src/main/java/io/legado/app/utils/GsonExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/GsonExtensions.kt
@@ -2,6 +2,7 @@ package io.legado.app.utils
 
 import com.google.gson.Gson
 import com.google.gson.GsonBuilder
+import com.google.gson.JsonSyntaxException
 import com.google.gson.reflect.TypeToken
 import org.jetbrains.anko.attempt
 import java.lang.reflect.ParameterizedType
@@ -16,6 +17,8 @@ val GSON: Gson by lazy {
 
 inline fun <reified T> genericType() = object : TypeToken<T>() {}.type
 
+
+@Throws(JsonSyntaxException::class)
 inline fun <reified T> Gson.fromJsonObject(json: String?): T? {//可转成任意类型
     return attempt {
         val result: T? = fromJson(json, genericType<T>())
@@ -23,6 +26,7 @@ inline fun <reified T> Gson.fromJsonObject(json: String?): T? {//可转成任意
     }.value
 }
 
+@Throws(JsonSyntaxException::class)
 inline fun <reified T> Gson.fromJsonArray(json: String?): List<T>? {
     return attempt {
         val result: List<T>? = fromJson(json, ParameterizedTypeImpl(T::class.java))