修复计算bug

app/service/material.js

@@ -130,7 +130,7 @@ module.exports = app => {
                     newMaterial.rate = preMaterial.rate;
                     newMaterial.pre_tp = this.ctx.helper.add(preMaterial.m_tp, preMaterial.pre_tp);
                     newMaterial.ex_pre_tp = this.ctx.helper.add(preMaterial.ex_tp, preMaterial.ex_pre_tp);
-                    newMaterial.m_tax_pre_tp = this.ctx.helper.add(preMaterial.m_tax_tp, preMaterial.m_tax_pre_tp);
+                    newMaterial.m_tax_pre_tp = preMaterial.material_tax ? this.ctx.helper.add(preMaterial.m_tax_tp, preMaterial.m_tax_pre_tp) : preMaterial.m_tax_pre_tp;
                 }
                 // 新增期记录
                 const result = await transaction.insert(this.tableName, newMaterial);