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 27738806c..361fd1402 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
@@ -45,4 +45,10 @@ object OldRule {
         }
         return url
     }
+
+    fun uaToHeader(ua: String?): String? {
+        if (ua.isNullOrEmpty()) return null
+        val map = mapOf(Pair("user_agent", ua))
+        return GSON.toJson(map)
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/storage/Restore.kt b/app/src/main/java/io/legado/app/help/storage/Restore.kt
index 0e9b73dbf..82d256d88 100644
--- a/app/src/main/java/io/legado/app/help/storage/Restore.kt
+++ b/app/src/main/java/io/legado/app/help/storage/Restore.kt
@@ -109,6 +109,7 @@ object Restore {
                         source.loginUrl = jsonItem.readString("loginUrl")
                         source.bookUrlPattern = jsonItem.readString("ruleBookUrlPattern")
                         source.customOrder = jsonItem.readInt("serialNumber") ?: 0
+                        source.header = OldRule.uaToHeader(jsonItem.readString("httpUserAgent"))
                         val searchRule = SearchRule(
                             searchUrl = OldRule.toNewUrl(jsonItem.readString("ruleSearchUrl")),
                             bookList = jsonItem.readString("ruleSearchList"),