diff --git a/anaconda.spec b/anaconda.spec
index 24d83c8..d1db524 100644
--- a/anaconda.spec
+++ b/anaconda.spec
@@ -1,7 +1,7 @@
 %define _empty_manifest_terminate_build 0
 Name:    anaconda
 Version: 33.19
-Release: 3
+Release: 4
 Summary: Graphical system installer
 License: GPLv2+ and MIT
 URL:     http://fedoraproject.org/wiki/Anaconda
@@ -242,6 +242,12 @@ update-desktop-database &> /dev/null || :
 %{_datadir}/gtk-doc
 
 %changelog
+* Thu Aug 27 2020 fengtao <fengtao40@huawei.com> - 33.19-4
+- Type:bugfix
+- Id:NA
+- SUG:NA
+- DESC:fix kdump patch err
+
 * Fri Aug 7 2020 fengtao <fengtao40@huawei.com> - 33.19-3
 - Type:bugfix
 - Id:NA
diff --git a/bugfix-add-kdump-parameter-into-kernel-cmdline.patch b/bugfix-add-kdump-parameter-into-kernel-cmdline.patch
index 094b151..6f2ec87 100644
--- a/bugfix-add-kdump-parameter-into-kernel-cmdline.patch
+++ b/bugfix-add-kdump-parameter-into-kernel-cmdline.patch
@@ -28,9 +28,9 @@ index c6b7db4..57fb2e5 100644
 +        arg_str = "%s" % self.boot_args
 +        if blivet.arch.is_aarch64():
 +            log.info("check boot args:%s", arg_str)
-+            arg_str += "crashkernel=1024M,high"
++            arg_str += " crashkernel=1024M,high"
 +        else:
-+            arg_str += "crashkernel=512M"
++            arg_str += " crashkernel=512M"
 +
 +        log.info("bootloader.py: used boot args: %s ", arg_str)
 +        defaults.write("GRUB_CMDLINE_LINUX=\"%s\"\n" % arg_str)