diff --git a/OpenJDK20U-jdk_aarch64_linux_hotspot_20.0.2_9.tar.xz b/OpenJDK20U-jdk_aarch64_linux_hotspot_20.0.2_9.tar.xz
deleted file mode 100644
index 896dce1cf72940b0bf4ffe2abe329216d335eedc..0000000000000000000000000000000000000000
Binary files a/OpenJDK20U-jdk_aarch64_linux_hotspot_20.0.2_9.tar.xz and /dev/null differ
diff --git a/OpenJDK20U-jdk_x64_linux_hotspot_20.0.2_9.tar.xz b/OpenJDK20U-jdk_x64_linux_hotspot_20.0.2_9.tar.xz
deleted file mode 100644
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diff --git a/openjdk-21.spec b/openjdk-21.spec
index 38a0463212157e9a44ba74a116c24e03288d48e2..76a05fed0b7a994c6eb0b57f8aa3b595f88ccd60 100644
--- a/openjdk-21.spec
+++ b/openjdk-21.spec
@@ -897,7 +897,7 @@ Name:    java-21-%{origin}
 Version: %{newjavaver}.%{buildver}
 # This package needs `.rolling` as part of Release so as to not conflict on install with
 # java-X-openjdk. I.e. when latest rolling release is also an LTS release packaged as
-Release: 1
+Release: 2
 
 # java-1.5.0-ibm from jpackage.org set Epoch to 1 for unknown reasons
 # and this change was brought into RHEL-4. java-1.5.0-ibm packages
@@ -933,8 +933,6 @@ URL:      http://openjdk.java.net/
 # to regenerate source0 (jdk) and source8 (jdk's taspets) run update_package.sh
 # update_package.sh contains hard-coded repos, revisions, tags, and projects to regenerate the source archives
 Source0: jdk-updates-jdk%{majorver}u-jdk-%{filever}+%{buildver}.tar.gz
-Source1: OpenJDK20U-jdk_aarch64_linux_hotspot_20.0.2_9.tar.xz
-Source2: OpenJDK20U-jdk_x64_linux_hotspot_20.0.2_9.tar.xz
 Source8: systemtap_3.2_tapsets_hg-icedtea8-9d464368e06d.tar.xz
 
 # Desktop files. Adapted from IcedTea
@@ -1330,22 +1328,6 @@ fi
 
 ARCH=$(uname -m)
 BOOTJDKPATH=/usr/lib/jvm/java-%{buildjdkver}-openjdk
-if [ "$ARCH" = "x86_64" ]; then
-    tar -xf %{SOURCE2}
-    BOOTJDKPATH=$PWD/jdk-20.0.2+9
-elif [ "$ARCH" = "aarch64" ]; then
-    tar -xf %{SOURCE1}
-    BOOTJDKPATH=$PWD/jdk-20.0.2+9
-elif [ "$ARCH" = "riscv64" ]; then
-    :
-elif [ "$ARCH" = "loongarch64" ]; then
-    :
-elif [ "$ARCH" = "ppc64le" ]; then
-    :
-else
-    echo " Failed to set BOOTJDKPATH "
-    exit 18
-fi
 
 echo $BOOTJDKPATH
 
@@ -1793,6 +1775,9 @@ cjc.mainProgram(args) -- the returns from copy_jdk_configs.lua should not affect
 
 
 %changelog
+* Mon Jul 29 2024 zhaosaisai <zhaosaisai@kylinos.cn> - 1:21.0.4.7-2
+- change boot jdk to itself 
+
 * Thu Aug 1 2024 aoqi <aoqi@loongson.cn> - 1:21.0.4.7-1
 - update LoongArch64 port to 21.0.4