diff --git a/packages/components/dialog/Dialog.tsx b/packages/components/dialog/Dialog.tsx
index f1fa321e2b..2cee8df6b1 100644
--- a/packages/components/dialog/Dialog.tsx
+++ b/packages/components/dialog/Dialog.tsx
@@ -150,14 +150,18 @@ const Dialog = forwardRef<DialogInstance, DialogProps>((originalProps, ref) => {
   }
 
   const onMaskClick = (e: React.MouseEvent<HTMLDivElement>) => {
-    if (showOverlay && (closeOnOverlayClick ?? local.closeOnOverlayClick)) {
-      // 判断点击事件初次点击是否为内容区域
-      if (contentClickRef.current) {
-        contentClickRef.current = false;
-      } else if (e.target === dialogPosition.current) {
-        onOverlayClick?.({ e });
-        onClose?.({ e, trigger: 'overlay' });
-      }
+    if (!showOverlay) return;
+    // 判断点击事件初次点击是否为内容区域
+    if (contentClickRef.current) {
+      contentClickRef.current = false;
+      return;
+    }
+    if (e.target !== dialogPosition.current) return;
+    // 触发蒙层点击事件
+    onOverlayClick?.({ e });
+    // 触发关闭事件
+    if (closeOnOverlayClick ?? local.closeOnOverlayClick) {
+      onClose?.({ e, trigger: 'overlay' });
     }
   };
 
diff --git a/packages/tdesign-react/.changelog/pr-4065.md b/packages/tdesign-react/.changelog/pr-4065.md
new file mode 100644
index 0000000000..d762137883
--- /dev/null
+++ b/packages/tdesign-react/.changelog/pr-4065.md
@@ -0,0 +1,6 @@
+---
+pr_number: 4065
+contributor: TidySongS
+---
+
+- fix(Dialog): 修复 `closeOnOverlayClick` 为 `false` 时，`onOverlayClick` 无法触发的问题 @TidySongS ([#4065](https://github.com/Tencent/tdesign-react/pull/4065))