diff --git a/core/install.sh b/core/install.sh
index 14cbc6d..578cd11 100755
--- a/core/install.sh
+++ b/core/install.sh
@@ -61,7 +61,7 @@ fi
 echo -e "======================================\n"
 sleep 1
 
-REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/main"
+REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/feature/v4.2.0-dual-stack"
 INSTALL_DIR="/opt/ip_sentinel"
 CONFIG_FILE="${INSTALL_DIR}/config.conf"
 
diff --git a/master/install_master.sh b/master/install_master.sh
index 1397b2b..da9ed9c 100755
--- a/master/install_master.sh
+++ b/master/install_master.sh
@@ -60,7 +60,7 @@ fi
 echo -e "======================================\n"
 sleep 1
 
-REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/main"
+REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/feature/v4.2.0-dual-stack"
 
 # [链路容灾] 双栈冗余防抖抓取，确立本地态势版本号
 TARGET_VERSION=$( (curl -fsSL --connect-timeout 5 --retry 2 "${REPO_RAW_URL}/version.txt" || curl -4 -fsSL --connect-timeout 5 --retry 2 "${REPO_RAW_URL}/version.txt") 2>/dev/null | grep "^MASTER_VERSION=" | cut -d'=' -f2 | tr -d '[:space:]')
diff --git a/master/tg_master.sh b/master/tg_master.sh
index 8888d15..4c65866 100755
--- a/master/tg_master.sh
+++ b/master/tg_master.sh
@@ -9,7 +9,7 @@ CONF="/opt/ip_sentinel_master/master.conf"
 [ ! -f "$CONF" ] && exit 1
 source "$CONF"
 
-REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/main"
+REPO_RAW_URL="https://raw.githubusercontent.com/hotyue/IP-Sentinel/feature/v4.2.0-dual-stack"
 MASTER_VERSION=${MASTER_VERSION:-"3.5.0"}
 
 OFFSET_FILE="${MASTER_DIR}/.tg_offset"