diff --git a/app/src/main/java/io/legado/app/help/storage/OldRule.kt b/app/src/main/java/io/legado/app/help/storage/OldRule.kt
index 343a54087..47d97b360 100644
--- a/app/src/main/java/io/legado/app/help/storage/OldRule.kt
+++ b/app/src/main/java/io/legado/app/help/storage/OldRule.kt
@@ -17,12 +17,12 @@ object OldRule {
     fun jsonToBookSource(json: String): BookSource? {
         var source: BookSource? = null
         runCatching {
-            source = GSON.fromJsonObject<BookSource>(json)
+            source = GSON.fromJsonObject<BookSource>(json.trim())
         }
         runCatching {
             if (source == null || source?.searchUrl.isNullOrBlank()) {
                 source = BookSource().apply {
-                    val jsonItem = jsonPath.parse(json)
+                    val jsonItem = jsonPath.parse(json.trim())
                     bookSourceUrl = jsonItem.readString("bookSourceUrl") ?: ""
                     bookSourceName = jsonItem.readString("bookSourceName") ?: ""
                     bookSourceGroup = jsonItem.readString("bookSourceGroup") ?: ""
diff --git a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
index d50601117..5368c9650 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
@@ -61,6 +61,8 @@ class BookSourceEditViewModel(application: Application) : BaseViewModel(applicat
                     } ?: toast("格式不对")
                 }
             }
+        }.onError {
+            toast(it.localizedMessage)
         }
     }
 }
\ No newline at end of file