台账修订，计量单元可否编辑相关

app/public/js/revise.js

@@ -1316,7 +1316,7 @@ $(document).ready(() => {
             } else {
                 $('#pos-expr').val('').attr('readOnly', true);
                 $('#pos-expr').removeAttr('data-row');
-            }            
+            }
         },
         /**
          * 加载计量单元 根据当前台账选择节点
@@ -1326,7 +1326,7 @@ $(document).ready(() => {
             if (node) {
                 const posData = pos.getLedgerPos(node.id) || [];
                 SpreadJsObj.loadSheetData(posSheet, 'data', posData);
-                posSheet.zh_setting.readOnly = readOnly || posData.length === 0;
+                posSheet.zh_setting.readOnly = readOnly || (node.used && posData.length === 0);
             } else {
                 SpreadJsObj.loadSheetData(posSheet, 'data', []);
                 posSheet.zh_setting.readOnly = true;