diff --git a/SGDownload/Classes/SGDownloadTaskCorrect.m b/SGDownload/Classes/SGDownloadTaskCorrect.m
index 4ebd4d1..9205d1b 100644
--- a/SGDownload/Classes/SGDownloadTaskCorrect.m
+++ b/SGDownload/Classes/SGDownloadTaskCorrect.m
@@ -18,7 +18,7 @@ + (NSURLSessionDownloadTask *)downloadTaskWithSession:(NSURLSession *)session re
 {
 #if TARGET_OS_IOS
     float systemVersion = [UIDevice currentDevice].systemVersion.floatValue;
-    if (systemVersion >= 10.0 || systemVersion < 10.2)
+    if (systemVersion >= 10.0 && systemVersion < 10.2)
     {
         NSMutableDictionary * resumeDictionary = [self dictionaryWithData:resumeData];