fix: 优化了代码

g.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+# 快速 git add + commit + push
+# 用法: g "fix: 提交说明"
+set -e
+
+msg="${1:-}"
+if [[ -z "$msg" ]]; then
+  echo "用法: g \"commit message\""
+  echo "示例: g \"fix: 修复登录问题\""
+  exit 1
+fi
+
+# 检查是否有改动
+if [[ -z $(git status --porcelain) ]]; then
+  echo "无文件改动，跳过提交"
+  exit 0
+fi
+
+git add .
+git commit -m "$msg"
+git push
+echo "✓ 已推送"