diff --git a/jikimo_frontend/static/src/list/custom_width.js b/jikimo_frontend/static/src/list/custom_width.js
index 512abc44..63da7fdd 100644
--- a/jikimo_frontend/static/src/list/custom_width.js
+++ b/jikimo_frontend/static/src/list/custom_width.js
@@ -44,11 +44,11 @@ patch(ListRenderer.prototype, 'jikimo_frontend.ListRenderer', {
     },
 
     setDefaultColumnWidths(column_num) {
-        const bbb = this.state.columns[0].name
+        // const bbb = this.state.columns[0].name
         const widths = this.state.columns.map((col) => this.calculateColumnWidth(col));
-        const sumOfRelativeWidths = (widths
-            .filter(({ type }) => type === "relative")
-            .reduce((sum, { value }) => sum + value, 0));
+        // const sumOfRelativeWidths = (widths
+        //     .filter(({ type }) => type === "relative")
+        //     .reduce((sum, { value }) => sum + value, 0));
 
         // 获取数组的最后一项
         const lastItem = widths[widths.length - 1];
@@ -60,10 +60,16 @@ patch(ListRenderer.prototype, 'jikimo_frontend.ListRenderer', {
         widths.push(newItem);
 
         // 判断销售的sequence
-        if (this.state.columns[0].name === "sequence") {
-            widths[1] = { type: "relative", value: 0.1 };
+        // if (this.state.columns[0].name === "sequence") {
+        //     widths[1] = { type: "relative", value: 0.1 };
+        // }
+
+        // 判断 this.state.columns 是否存在且长度大于零
+        if (this.state.columns && this.state.columns.length > 0 && this.state.columns[0].name === "sequence") {
+          widths[1] = { type: "relative", value: 0.1 };
         }
 
+
         // 1 because nth-child selectors are 1-indexed, 2 when the first column contains
         // the checkboxes to select records.
         const columnOffset = this.hasSelectors ? 2 : 1;
diff --git a/web_gantt/static/src/js/gantt_row.js b/web_gantt/static/src/js/gantt_row.js
index efff4af2..2867188c 100644
--- a/web_gantt/static/src/js/gantt_row.js
+++ b/web_gantt/static/src/js/gantt_row.js
@@ -774,7 +774,14 @@ var GanttRow = Widget.extend({
         let index = 0;
         for (const date of this.viewInfo.slots) {
             const slotStart = date;
-            const slotStop = date.clone().add(8, interval);
+            // const slotStop = date.clone().add(8, interval);
+            let slotStop;
+
+            if (interval === "hour") {
+              slotStop = date.clone().add(8, "hour");
+              } else {
+              slotStop = date.clone().add(1, interval);
+              }
             const isToday = date.isSame(new Date(), 'day') && this.state.scale !== 'day';
 
             let slotStyle = '';