diff --git a/deploy/install.sh b/deploy/install.sh
index a87f15f..5cf16f7 100755
--- a/deploy/install.sh
+++ b/deploy/install.sh
@@ -38,7 +38,7 @@ command -v curl >/dev/null 2>&1 || (apt-get update && apt-get install -y curl ||
 
 # 获取最新版本 tag
 info "正在获取 VPS-Commander 最新版本信息..."
-LATEST_TAG=$(curl -fsSL -k "${GITEA_URL}/api/v1/repos/${REPO}/releases/latest" 2>/dev/null | grep '"tag_name":' | head -n1 | sed -E 's/.*"([^"]+)".*/\1/')
+LATEST_TAG=$(curl -fsSL -k "${GITEA_URL}/api/v1/repos/${REPO}/releases/latest" 2>/dev/null | grep -o '"tag_name":"[^"]*"' | head -n1 | cut -d'"' -f4)
 if [ -z "$LATEST_TAG" ]; then
     warn "无法通过 Gitea API 自动获取 Tag，回退至 v1.1.5"
     LATEST_TAG="v1.1.5"
@@ -81,7 +81,7 @@ install_agent() {
     cat << ENV > "${CONF_DIR}/agent.env"
 VPS_COMMANDER_HUB_WS_URL=${HUB_WS}
 VPS_COMMANDER_AGENT_NAME=${AGENT_NAME}
-VPS_COMMANDER_CLUSTER_SECRET=***
+VPS_COMMANDER_CLUSTER_SECRET=${CLUSTER_SECRET}
 ENV
     chmod 0600 "${CONF_DIR}/agent.env"
 
@@ -134,23 +134,23 @@ install_hub() {
     read -rp "请输入监听端口 (默认 9521): " HUB_PORT
     HUB_PORT=${HUB_PORT:-9521}
 
-    GEN_API_KEY=*** -c 24 /dev/urandom | xxd -p)
-    GEN_SECRET=*** -c 24 /dev/urandom | xxd -p)
-    GEN_PASS=$(head -c 16 /dev/urandom | xxd -p)
+    GEN_API_KEY=$(head -c 24 /dev/urandom | xxd -p 2>/dev/null || openssl rand -hex 24)
+    GEN_SECRET=$(head -c 24 /dev/urandom | xxd -p 2>/dev/null || openssl rand -hex 24)
+    GEN_PASS=$(head -c 16 /dev/urandom | xxd -p 2>/dev/null || openssl rand -hex 16)
 
     read -rp "请输入 API Key (默认随机生成): " API_KEY
-    API_KEY=***
+    API_KEY=${API_KEY:-$GEN_API_KEY}
 
     read -rp "请输入 Cluster Secret (默认随机生成): " CLUSTER_SECRET
-    CLUSTER_SECRET=${CLUS…RET}
+    CLUSTER_SECRET=${CLUSTER_SECRET:-$GEN_SECRET}
 
     read -rp "请输入 Web 管理面板密码 (默认随机生成): " WEB_PASS
     WEB_PASS=${WEB_PASS:-$GEN_PASS}
 
     cat << ENV > "${CONF_DIR}/hub.env"
-VPS_COMMANDER_API_KEY=***
-VPS_COMMANDER_CLUSTER_SECRET=***
-VPS_COMMANDER_WEB_PASSWORD=***
+VPS_COMMANDER_API_KEY=${API_KEY}
+VPS_COMMANDER_CLUSTER_SECRET=${CLUSTER_SECRET}
+VPS_COMMANDER_WEB_PASSWORD=${WEB_PASS}
 ENV
     chmod 0600 "${CONF_DIR}/hub.env"
 
diff --git a/deploy/upgrade-agent.sh b/deploy/upgrade-agent.sh
index 4b8f2d6..0a32066 100755
--- a/deploy/upgrade-agent.sh
+++ b/deploy/upgrade-agent.sh
@@ -38,7 +38,7 @@ case "$ARCH" in
 esac
 
 info "正在获取最新 Release 版本信息..."
-LATEST_TAG=$(curl -fsSL -k "${GITEA_URL}/api/v1/repos/${REPO}/releases/latest" 2>/dev/null | grep '"tag_name":' | head -n1 | sed -E 's/.*"([^"]+)".*/\1/')
+LATEST_TAG=$(curl -fsSL -k "${GITEA_URL}/api/v1/repos/${REPO}/releases/latest" 2>/dev/null | grep -o '"tag_name":"[^"]*"' | head -n1 | cut -d'"' -f4)
 if [ -z "$LATEST_TAG" ]; then
     warn "无法通过 Gitea API 自动获取 Tag，回退至 v1.1.5"
     LATEST_TAG="v1.1.5"