diff --git a/download.sh b/download.sh
index 327c3849b7c4c7ffaa99a38132d629626c205639..775601012a58e4e26345c97f4ae3de21f794c123 100755
--- a/download.sh
+++ b/download.sh
@@ -5,7 +5,7 @@ readonly LIB_PATH="$PWD/../open_source"
 source $PWD/config.xml
 build_rpmdir=`rpm --eval "%{_builddir}"`
 src_rpmdir=`rpm --eval "%{_sourcedir}"`
-SRC_BRANCH="master"
+echo $SRC_BRANCH
 
 #judge the open_source
 
@@ -35,25 +35,25 @@ function do_patch() {
 	fi
 	popd
 }
-echo "Download $GCC" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/gcc.git 
+echo "Download $GCC" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/gcc.git --depth 1
 do_patch $GCC
 
-echo "Download $GLIBC" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/glibc.git 
+echo "Download $GLIBC" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/glibc.git --depth 1
 do_patch $GLIBC
 
-echo "Download $BINUTILS" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/binutils.git 
+echo "Download $BINUTILS" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/binutils.git --depth 1
 do_patch $BINUTILS
 
-echo "Download $GMP" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/gmp.git 
+echo "Download $GMP" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/gmp.git --depth 1
 do_patch $GMP
 
-echo "Download $MPFR" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/mpfr.git 
+echo "Download $MPFR" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/mpfr.git --depth 1
 do_patch $MPFR
 
-echo "Download $MPC" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/libmpc.git 
+echo "Download $MPC" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/libmpc.git --depth 1
 do_patch $MPC
 
-echo "Download $ISL" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/isl.git 
+echo "Download $ISL" && git clone -b $SRC_BRANCH https://gitee.com/src-openeuler/isl.git --depth 1
 do_patch $ISL
 
 echo "Download $LINUX_KERNEL" && git clone -b 6.4.0-1.0.1 https://gitee.com/openeuler/kernel.git --depth 1
diff --git a/gcc-cross.spec b/gcc-cross.spec
index ad2cbe39e6a50fae4dd55bd7be77e80175328cdd..a6f4efa34275c2ac7cff32a07944e6be5fbdef76 100644
--- a/gcc-cross.spec
+++ b/gcc-cross.spec
@@ -1,7 +1,7 @@
 Summary: C/C++ Cross Compiler Toolchain
 Name: gcc-cross
 Version: 1.0
-Release: 9
+Release: 10
 # libgcc, libgfortran, libmudflap, libgomp, libstdc++ and crtstuff have
 # GCC Runtime Exception.
 License: GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
@@ -30,12 +30,50 @@ cd %{_builddir}/%{name}-%{version}
 cp -r %{_sourcedir}/* ./
 
 %build
+export SRC_BRANCH="%{dist}"
+
+parse_branch() {
+    local raw_branch=$(echo "$SRC_BRANCH" | sed 's/^[ .]*//' | tr '[:upper:]' '[:lower:]')
+    
+    if [[ ! "$raw_branch" =~ ^oe([0-9]{2})([0-9]{2})(sp[0-9]+)?$ ]]; then
+        echo "错误：分支格式不正确" >&2
+        return 1
+    fi
+    
+    local major=${BASH_REMATCH[1]}
+    local minor=${BASH_REMATCH[2]}
+    local sp=${BASH_REMATCH[3]}
+    local version="${major}.${minor}"
+    
+    # 构建候选分支列表
+    local candidates=()
+    if [[ -n "$sp" ]]; then
+        candidates+=("openEuler-${version}-LTS-${sp^^}")
+    else
+        candidates+=("openEuler-${version}-LTS-Next")
+        candidates+=("openEuler-${version}")
+    fi
+    
+    # 验证分支存在性
+    for branch in "${candidates[@]}"; do
+        if git ls-remote --heads https://gitee.com/src-openeuler/gcc.git "$branch" | grep -q "refs/heads/$branch"; then
+            SRC_BRANCH="$branch"
+            return 0
+        fi
+    done
+    
+    echo "错误：未找到有效的 ${version} 系列分支" >&2
+    return 1
+}
+parse_branch
+export SRC_BRANCH
+
 cd %{_builddir}/%{name}-%{version}
 files=$(ls *.tar.gz 2> /dev/null | wc -l)
 if [ "$files" != 0 ]; then
 	ls *.tar.gz | xargs -n1 tar xvf
 fi
-bash download.sh
+./download.sh
 bash build.sh gcc_arm64le &
 bash build.sh gcc_arm32le
 wait
@@ -50,6 +88,12 @@ cp %{_builddir}/output/gcc_arm32le/gcc_arm32le.tar.gz %{buildroot}/tmp
 %attr(755, root, root) /tmp/gcc_arm32le.tar.gz
 
 %changelog
+* Tue June 24 2025 zhengchenhui <zhengchenhui1@huawei.com> - 1.0-10
+-Type:Refactor
+-ID:NA
+-SUG:NA
+-DESC: Dynamically set SRC_BRANCH from git.
+
 * Wed Apr 2 2025 zhengchenhui <zhengchenhui1@huawei.com> - 1.0-9
 -Type:Fix
 -ID:NA