diff --git a/internal/caches/reader_file.go b/internal/caches/reader_file.go
index 4596301..29d987f 100644
--- a/internal/caches/reader_file.go
+++ b/internal/caches/reader_file.go
@@ -215,6 +215,10 @@ func (this *FileReader) ReadHeader(buf []byte, callback ReaderFunc) error {
 }
 
 func (this *FileReader) ReadBody(buf []byte, callback ReaderFunc) error {
+	if this.bodySize == 0 {
+		return nil
+	}
+
 	var isOk = false
 
 	defer func() {
@@ -257,6 +261,12 @@ func (this *FileReader) ReadBody(buf []byte, callback ReaderFunc) error {
 }
 
 func (this *FileReader) Read(buf []byte) (n int, err error) {
+	if this.bodySize == 0 {
+		n = 0
+		err = io.EOF
+		return
+	}
+
 	n, err = this.fp.Read(buf)
 	if err != nil && err != io.EOF {
 		_ = this.discard()
diff --git a/internal/caches/storage_file.go b/internal/caches/storage_file.go
index 539872a..fa00731 100644
--- a/internal/caches/storage_file.go
+++ b/internal/caches/storage_file.go
@@ -1213,9 +1213,12 @@ func (this *FileStorage) hotLoop() {
 			}
 
 			err = reader.ReadBody(buf, func(n int) (goNext bool, err error) {
-				_, err = writer.Write(buf[:n])
-				if err == nil {
-					goNext = true
+				goNext = true
+				if n > 0 {
+					_, err = writer.Write(buf[:n])
+					if err != nil {
+						goNext = false
+					}
 				}
 				return
 			})