修复异常

src/utils/dbUitls.js

@@ -25,7 +25,7 @@ module.exports = {
     this.pool = mysql.createPool(dbConfig)
   },
   query,
-  list: ({table, search, con}) => {
+  list: ({table, search, con = ''}) => {
     //列表查询
     let total = 0, records = []
     if (table) {
@@ -37,7 +37,7 @@ module.exports = {
         query(`select 1 from ${table} where name like '%${con}%' ${sqlCon}`).then(res => {
           return total = res.length
         }),
-        query(`select * from ${table}  where name like '%${con}%' ${sqlCon} limit ${(current-1)*size},${size||10}`).then(res => {
+        query(`select * from ${table}  where name like '%${con}%' ${sqlCon} limit ${((current-1)||0)*size},${size||10}`).then(res => {
           return records = res
         })
       ]).then(() => {