diff --git a/build_image.sh b/build_image.sh
index 2cea4925..f716e984 100755
--- a/build_image.sh
+++ b/build_image.sh
@@ -1,8 +1,12 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # 本地构建镜像的快速脚本，避免在命令行反复输入构建参数。
 
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
 docker build -t sub2api:latest \
     --build-arg GOPROXY=https://goproxy.cn,direct \
     --build-arg GOSUMDB=sum.golang.google.cn \
-    -f Dockerfile \
-    .
+    -f "${SCRIPT_DIR}/Dockerfile" \
+    "${SCRIPT_DIR}"
diff --git a/deploy/build_image.sh b/deploy/build_image.sh
index 2cea4925..2426f915 100755
--- a/deploy/build_image.sh
+++ b/deploy/build_image.sh
@@ -1,8 +1,13 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # 本地构建镜像的快速脚本，避免在命令行反复输入构建参数。
 
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+
 docker build -t sub2api:latest \
     --build-arg GOPROXY=https://goproxy.cn,direct \
     --build-arg GOSUMDB=sum.golang.google.cn \
-    -f Dockerfile \
-    .
+    -f "${REPO_ROOT}/Dockerfile" \
+    "${REPO_ROOT}"