|  | @@ -439,7 +439,11 @@ let MainTreeCol = {
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				|  |  |              return sheetCommonObj.getCusButtonCellType(projectObj.onCommonTotalFeeButtonClick,readOnly) //projectObj.getCommonTotalFeeCellType();
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				|  |  |          },
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				|  |  |          mainBills:function (node) {
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				|  |  | -            if(MainTreeCol.mainBillsEnable(node)) return sheetCommonObj.getCheckBox(true);
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				|  |  | +            if(MainTreeCol.mainBillsEnable(node)) {
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				|  |  | +                return projectObj.project.projectInfo.property.lockBills 
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				|  |  | +                    ? sheetCommonObj.getReadOnlyCheckBox()
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				|  |  | +                    : sheetCommonObj.getCheckBox(true)
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				|  |  | +            };
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				|  |  |        },
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				|  |  |        lockUnitPrice: function (node) {
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				|  |  |            //仅未使用基数计算的清单有效
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