diff --git a/build.sh b/build.sh
index 2f20090..2e4bcc1 100644
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -euo pipefail  # 严格的安全设置
+set -euo pipefail
 
 # =============================================================================
 # 颜色和样式配置
@@ -628,7 +628,7 @@ generate_x86_64_ota_json() {
     
     echo -e "${BLUE_COLOR}├─ 计算 SHA256 校验和...${RESET}"
     local OTA_URL="https://github.com/QuickWrt/ZeroWrt/releases/download"
-    local VERSION_NUMBER=$(echo "$$tag_version" | sed 's/v//g')
+    local VERSION_NUMBER=$(echo "$tag_version" | sed 's/v//g')
     local SHA256=$(sha256sum bin/targets/x86/64*/*-generic-squashfs-combined-efi.img.gz | awk '{print $1}')
     
     echo -e "${BLUE_COLOR}├─ 生成 JSON 文件...${RESET}"
@@ -700,7 +700,7 @@ generate_rockchip_ota_json() {
     
     echo -e "${BLUE_COLOR}├─ 计算各设备的 SHA256 校验和...${RESET}"
     local OTA_URL="https://github.com/QuickWrt/ZeroWrt/releases/download"
-    local VERSION_NUMBER=$(echo "$$tag_version" | sed 's/v//g')
+    local VERSION_NUMBER=$(echo "$tag_version" | sed 's/v//g')
     
     # 计算各个设备的SHA256
     local SHA256_armsom_sige3=$(sha256sum bin/targets/rockchip/armv8*/zerowrt-$VERSION_NUMBER-rockchip-armv8-armsom_sige3-squashfs-sysupgrade.img.gz | awk '{print $1}')