diff --git a/utils/file/file.go b/utils/file/file.go
index 90b84c5..8cfe94c 100644
--- a/utils/file/file.go
+++ b/utils/file/file.go
@@ -2,6 +2,7 @@ package file
 
 import (
 	"bufio"
+	"fmt"
 	"github.com/kercylan98/minotaur/utils/slice"
 	"io"
 	"os"
@@ -186,7 +187,8 @@ func ReadLineWithParallel(filename string, chunkSize int64, handlerFunc func(str
 				end = e + 1
 			}
 			endMutex.Unlock()
-			r := io.NewSectionReader(file, chunk[0], e)
+			r := io.NewSectionReader(file, chunk[0], e-chunk[0])
+			fmt.Println(chunk[0], e)
 
 			scanner := bufio.NewScanner(r)
 			for scanner.Scan() {