[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/min-indent/index.js

@@ -0,0 +1,10 @@
+'use strict';
+module.exports = string => {
+	const match = string.match(/^[ \t]*(?=\S)/gm);
+
+	if (!match) {
+		return 0;
+	}
+
+	return match.reduce((r, a) => Math.min(r, a.length), Infinity);
+};