填剩余量时，应同步清除公式

app/public/js/stage.js

@@ -2226,7 +2226,7 @@ $(document).ready(() => {
 
                         const qty = ZhCalc.sub(curPos.quantity, curPos.pre_contract_qty);
                         const differ = ZhCalc.sub(curPos.quantity, curPos.end_contract_qty);
-                        if (differ) data.updateData.push({ pid: curPos.id, lid: curPos.lid, contract_qty: qty });
+                        if (differ) data.updateData.push({ pid: curPos.id, lid: curPos.lid, contract_qty: qty, contract_expr: '' });
                     }
                     if (data.updateData.length > 0) {
                         postData(window.location.pathname + '/update', {pos: data}, function (result) {
@@ -2264,7 +2264,7 @@ $(document).ready(() => {
                     for (const curPos of sheet.zh_data) {
                         const qty = ZhCalc.sub(curPos.quantity, curPos.pre_contract_qty);
                         const differ = ZhCalc.sub(curPos.quantity, curPos.end_contract_qty);
-                        if (differ) data.updateData.push({ pid: curPos.id, lid: curPos.lid, contract_qty: qty });
+                        if (differ) data.updateData.push({ pid: curPos.id, lid: curPos.lid, contract_qty: qty, contract_expr: '' });
                     }
                     if (data.updateData.length > 0) {
                         postData(window.location.pathname + '/update', {pos: data}, function (result) {