diff --git a/lib/dtable/dev.ts b/lib/dtable/dev.ts
index a67345653b..e52c5c64d3 100644
--- a/lib/dtable/dev.ts
+++ b/lib/dtable/dev.ts
@@ -37,7 +37,7 @@ onPageUpdate(() => {
     const customColsTable = new DTable('#customColsTable', {
         cols: [
             {name: 'id', title: 'ID', width: 80, fixed: 'left', sortType: 'desc', checkbox: true},
-            {name: 'name', title: '项目名称', minWidth: 200, flex: 1, sortType: true, nestedToggle: true, childLabel: '子'},
+            {name: 'name', title: '项目名称', minWidth: 200, fixed: 'left', flex: 1, sortType: true, nestedToggle: true, childLabel: '子'},
             {name: 'manager', title: '负责人', sortType: true, border: true, width: 200},
             {name: 'storyScale', title: '需求规模', sortType: true},
             {name: 'executionCount', title: '执行数', sortType: true},
diff --git a/lib/dtable/src/plugins/sort-col/index.tsx b/lib/dtable/src/plugins/sort-col/index.tsx
index 1f978f110b..d626f29421 100644
--- a/lib/dtable/src/plugins/sort-col/index.tsx
+++ b/lib/dtable/src/plugins/sort-col/index.tsx
@@ -173,21 +173,17 @@ const sortColPlugin: DTableSorColPlugin = {
                 return;
             }
 
-            const {from, element, offset} = sortColInfo;
+            const {from, element} = sortColInfo;
             const $cells = $(element).closest('.dtable-cells');
             const bounding = $cells[0]!.getBoundingClientRect();
-            const width = bounding.width;
-            const pos = event.clientX - bounding.left - offset;
-            if ((pos + from.width) < 0 || (pos - from.width) > width) {
-                return sortColInfo.state;
-            }
+            const pos = event.clientX - bounding.left;
             const {cols, scrollLeft} = this.layout;
             const sideCols = cols[from.side].list;
             if (sideCols.length <= 1) {
                 return sortColInfo.state;
             }
             const left = scrollLeft + pos;
-            const to = sideCols.find(col => col.name !== from.name && col.visible && col.left <= left && (col.left + col.width) > left);
+            const to = sideCols.find(col => col.visible && col.left <= left && (col.left + col.width) > left);
             if (!to) {
                 return sortColInfo.state;
             }