diff --git a/SGDownload/Classes/SGDownloadTools.m b/SGDownload/Classes/SGDownloadTools.m
index 1ebd8b9..409f37e 100644
--- a/SGDownload/Classes/SGDownloadTools.m
+++ b/SGDownload/Classes/SGDownloadTools.m
@@ -44,7 +44,12 @@ + (NSString *)replacehHomeDirectoryForFilePath:(NSString *)filePath
     NSError * error;
     NSRegularExpression * regex = [NSRegularExpression regularExpressionWithPattern:@"(\\w*-){4}(\\w*)" options:0 error:&error];
     if (!error) {
+#if !defined(TARGET_OS_SIMULATOR) || TARGET_OS_SIMULATOR
+        NSArray<NSTextCheckingResult *> *results =[regex matchesInString:filePath options:NSMatchingReportCompletion range:NSMakeRange(0, filePath.length)];
+        NSTextCheckingResult * match = results[1];
+#else
         NSTextCheckingResult * match = [regex firstMatchInString:filePath options:0 range:NSMakeRange(0, filePath.length)];
+#endif
         if (match) {
             NSString * currentName = NSHomeDirectory().lastPathComponent;
             filePath = [filePath stringByReplacingCharactersInRange:match.range withString:currentName];