修复问题4

server/routes/add.js

@@ -17,11 +17,14 @@ getMysql.then(Mysql => {
             }
             request(domain + '/query/queryToolBox', {}, (error, response, body) => {
                 console.log(domain + '/query/queryToolBox')
-                console.log('body:',body)
+                console.log('body:', body)
                 const data = JSON.parse(body).data
                 const lastToolBoxId = data[data.length - 1].toolbox_id
                 const SQL = 'INSERT INTO type_childtype_toolbox (toolbox_id,type_id,child_type_id) VALUES (?,?,?)'
-                Mysql.query(SQL, [lastToolBoxId,type_id,child_type_id], (err, result) => {
+                const params = [lastToolBoxId, type_id]
+                if (typeof child_type_id !== 'number') params.push(null)
+                else params.push(child_type_id)
+                Mysql.query(SQL, params, (err, result) => {
                     if (err) {
                         res.send({
                             success: false,