修复bug

one_stop_public/libs/formList/index.js

@@ -852,7 +852,7 @@ class FormList extends React.Component {
           rules: [{ required: !item.isNull},(rule, value, callback)=>{
             var errors=[];
             var reg=new RegExp(/(^-?[0-9][0-9]*(.[0-9]+)?)$/)
-            if(!reg.test(value)){
+            if(value!=null&&value!=""&&!reg.test(value)){
               errors.push(new Error("请输入数字"),rule.field);
             }
             callback(errors)