diff --git a/SOURCES/0013-set-mpv-option-demuxer-max-bytes-value.patch b/SOURCES/0013-set-mpv-option-demuxer-max-bytes-value.patch
new file mode 100644
index 0000000000000000000000000000000000000000..de803e57f881098977b405424790504fde143d89
--- /dev/null
+++ b/SOURCES/0013-set-mpv-option-demuxer-max-bytes-value.patch
@@ -0,0 +1,13 @@
+diff --git a/src/mpvoptions.cpp b/src/mpvoptions.cpp
+index 677543b..6206201 100755
+--- a/src/mpvoptions.cpp
++++ b/src/mpvoptions.cpp
+@@ -172,7 +172,7 @@ void MPVProcess::setOption(const QString & option_name, const QVariant & value)
+         if (cache > 31) {
+             if (isOptionAvailable("--demuxer-max-bytes")) {
+                 int bytes = value.toString().toInt() * 1024;
+-                arg << "--demuxer-max-bytes=" << QString::number(bytes);
++                arg << "--demuxer-max-bytes=" +  QString::number(bytes);
+             }else {
+                 arg << "--cache=" + value.toString();
+             }
diff --git a/SPECS/nfs-mplayer.spec b/SPECS/nfs-mplayer.spec
index 45be7d4f8a8e047447ce2d5aaf56dbadea1d083a..26493fc0171bbe7316ef6cf567c705228467618e 100644
--- a/SPECS/nfs-mplayer.spec
+++ b/SPECS/nfs-mplayer.spec
@@ -1,6 +1,6 @@
 Name:           nfs-mplayer
 Version:        1.0.0
-Release:        12%{?dist}
+Release:        13%{?dist}
 Summary:        A great media player
 Group:          Applications/Multimedia
 License:        GPLv2+
@@ -15,8 +15,9 @@ Patch6:	    0007-show-main-menu-in-max-mode.patch
 Patch7:	    0008-fix-draging-flickering-when-resizing.patch
 Patch8:	    0009-fix-window-resizing-error-cannot-capture-mouse-release.patch
 Patch9:	    0010-adjust-mpv-options-compatible-with-high-and-low-mpv-version.patch
-Patch10:	    0011-update-README.patch
-Patch11:	    0012-set-dialog-font-display-error.patch
+Patch10:    0011-update-README.patch
+Patch11:    0012-set-dialog-font-display-error.patch
+Patch12:    0013-set-mpv-option-demuxer-max-bytes-value.patch
 
 %if 0%{?suse_version}
 BuildRequires:  hicolor-icon-theme
@@ -114,6 +115,9 @@ update-desktop-database &> /dev/null || :
 
 %changelog
 
+* Fri Oct 20 2023 ruizhe <ruizhe@nfschina.com> - 1.0.0-13
+- Fix set mpv option "demuxer-max-bytes" value error
+
 * Thu Oct 19 2023 ruizhe <ruizhe@nfschina.com> - 1.0.0-12
 - Fix setting-dialog font style error