vue appear alternately when the position is determined if re-rendered using the el-table form el-table-column

For example, when switching business dimension franchisees, franchisees a list of code / franchisee name; then switch back to find position is the name of the franchisee / franchisee code. This may be due to appear in the table if there is determined with the el-table-column two columns, re-rendering time, the old and new nodes will exchange positions overlap
processing: re-determining if the wrap Template form