diff --git a/yuthon_report/static/src/components/yuthon_report/receivable_report.js b/yuthon_report/static/src/components/yuthon_report/receivable_report.js
index e81b03ac5..51dd5dcd9 100644
--- a/yuthon_report/static/src/components/yuthon_report/receivable_report.js
+++ b/yuthon_report/static/src/components/yuthon_report/receivable_report.js
@@ -55,6 +55,11 @@ class ReceivableReport extends Component {
             const columns = this.config.columns || [];
             columns.forEach((col) => {
                 col.cellRenderer = this.linkRender.bind(this);
+                // 对固定宽度列（如序号列）单独设置 minWidth，避免被 defaultColDef 覆盖
+                if (col.width && col.flex === 0) {
+                    col.minWidth = col.width;
+                    col.maxWidth = col.width;
+                }
             });
             
             this.gridOptions = {