diff --git a/packages/renderless/src/grid/utils/dom.ts b/packages/renderless/src/grid/utils/dom.ts
index 4e96f5d9ac..f8cd4fb266 100644
--- a/packages/renderless/src/grid/utils/dom.ts
+++ b/packages/renderless/src/grid/utils/dom.ts
@@ -188,11 +188,15 @@ export const colToVisible = ($table, column, move) => {
 }
 
 export const hasDataTag = (el, value) => {
-  // el可能为shadow-root，shadow-root没有getAttribute方法
-  if (!el || !value || !el.getAttribute) {
+  if (!el || !value) {
     return false
   }
 
+  // 处理遇到 shadowRoot的情况
+  if (el.host) {
+    el = el.host
+  }
+
   return (' ' + el.getAttribute('data-tag') + ' ').includes(' ' + value + ' ')
 }
 
diff --git a/packages/utils/src/popper/index.ts b/packages/utils/src/popper/index.ts
index 4ef9a88a66..620fa39717 100644
--- a/packages/utils/src/popper/index.ts
+++ b/packages/utils/src/popper/index.ts
@@ -76,6 +76,10 @@ const isFixed = (el: HTMLElement) => {
     return true
   }
 
+  // 处理遇到 shadowRoot的情况
+  if (el.host) {
+    el = el.host
+  }
   return el.parentNode ? isFixed(el.parentNode as HTMLElement) : false
 }
 
diff --git a/packages/vue-hooks/src/vue-popper.ts b/packages/vue-hooks/src/vue-popper.ts
index 2342522ccf..f12bc1888e 100644
--- a/packages/vue-hooks/src/vue-popper.ts
+++ b/packages/vue-hooks/src/vue-popper.ts
@@ -58,6 +58,11 @@ const getReferMaxZIndex = (reference) => {
   do {
     reference = reference.parentNode
 
+    // 处理遇到shadowRoot的情况
+    if (reference && reference instanceof ShadowRoot && reference.host) {
+      reference = reference.host
+    }
+
     if (reference) {
       z = getZIndex(reference)
     } else {