unit readonly setting

web/users/js/main_tree_col.js

@@ -78,6 +78,13 @@ let MainTreeCol = {
         },
         forCode:function (node) {
             return MainTreeCol.readOnly.glj(node)|| (node.sourceType === projectObj.project.Ration.getSourceType()&&node.data.type===rationType.gljRation);
+        },
+        forUnit:function (node) {
+            if(MainTreeCol.readOnly.bills(node)&&(node.data.type==billType.DXFY||node.data.type==billType.FB)){//在大项费用、分部行，计量单位只读。
+                return true;
+            }else {
+                return treeNodeTools.isRation(node);
+            }
         }
     },
     cellType: {