diff --git a/packages/abc/st/index.en-US.md b/packages/abc/st/index.en-US.md
index 68ba90eff..f0f18dae8 100644
--- a/packages/abc/st/index.en-US.md
+++ b/packages/abc/st/index.en-US.md
@@ -83,6 +83,7 @@ When an exception is thrown when parsing column data, *INVALID DATA* will be for
 | `[expandRowByClick]` | Whether to expand row by clicking anywhere in the whole row | `boolean` | `false` | ✅ |
 | `[expandAccordion]` | Accordion mode | `boolean` | `false` | ✅ |
 | `[expand]` | Whether current column include expand icon | `TemplateRef<void>` | - | - |
+| `[expandIcon]`   | Custom expand icon | `TemplateRef<void>` | - |
 | `[responsive]` | Whether to turn on responsive | `boolean` | `true` | ✅ |
 | `[responsiveHideHeaderFooter]` | Whether to display the header and footer under the small screen | `boolean` | `false` | ✅ |
 | `[resizable]` | Resize header of the current table, **Multiple headers not supported** | `STResizable, boolean` | - | - |
diff --git a/packages/abc/st/index.zh-CN.md b/packages/abc/st/index.zh-CN.md
index 653874b6a..73bd8815e 100644
--- a/packages/abc/st/index.zh-CN.md
+++ b/packages/abc/st/index.zh-CN.md
@@ -83,6 +83,7 @@ module: import { STModule } from '@delon/abc/st';
 | `[expandRowByClick]` | 通过点击行来展开子行 | `boolean` | `false` | ✅ |
 | `[expandAccordion]` | 手风琴模式 | `boolean` | `false` | ✅ |
 | `[expand]` | 当前列是否包含展开按钮，当数据源中包括 `expand` 表示展开状态 | `TemplateRef<void>` | - | - |
+| `[expandIcon]`   | 自定义展开图标 | `TemplateRef<void>` | - |
 | `[responsive]` | 是否开启响应式 | `boolean` | `true` | ✅ |
 | `[responsiveHideHeaderFooter]` | 是否在小屏幕下才显示顶部与底部 | `boolean` | `false` | ✅ |
 | `[resizable]` | 当前表格所有列的调整表头配置项，**不支持多表头** | `STResizable, boolean` | - | - |
diff --git a/packages/abc/st/st.component.html b/packages/abc/st/st.component.html
index 1816576ee..931c1f07c 100644
--- a/packages/abc/st/st.component.html
+++ b/packages/abc/st/st.component.html
@@ -160,6 +160,7 @@
           <td
             [nzShowExpand]="expand && i.showExpand !== false"
             [nzExpand]="i.expand"
+            [nzExpandIcon]="expandIcon"
             (nzExpandChange)="_expandChange(i, $event)"
             (click)="_stopPropagation($event)"
             nzWidth="50px"
diff --git a/packages/abc/st/st.component.ts b/packages/abc/st/st.component.ts
index 612825b83..58e70bd53 100644
--- a/packages/abc/st/st.component.ts
+++ b/packages/abc/st/st.component.ts
@@ -214,6 +214,7 @@ export class STComponent implements AfterViewInit, OnChanges {
   @Input({ transform: booleanAttribute }) expandRowByClick = false;
   @Input({ transform: booleanAttribute }) expandAccordion = false;
   @Input() expand: TemplateRef<{ $implicit: NzSafeAny; index: number }> | null = null;
+  @Input() expandIcon: TemplateRef<void> | null = null;
   @Input() noResult?: string | TemplateRef<void> | null;
   @Input({ transform: booleanAttribute }) responsive: boolean = true;
   @Input({ transform: booleanAttribute }) responsiveHideHeaderFooter?: boolean;