diff --git a/packages/effects/common-ui/src/ui/authentication/login-expired-modal.vue b/packages/effects/common-ui/src/ui/authentication/login-expired-modal.vue
index 4b4f9b448a7..c337c29daff 100644
--- a/packages/effects/common-ui/src/ui/authentication/login-expired-modal.vue
+++ b/packages/effects/common-ui/src/ui/authentication/login-expired-modal.vue
@@ -35,6 +35,16 @@ const getZIndex = computed(() => {
   return props.zIndex || calcZIndex();
 });
 
+/**
+ * 排除ant-message和loading:9999的z-index
+ */
+const zIndexExcludeClass = ['ant-message', 'loading'];
+function isZIndexExcludeClass(element: Element) {
+  return zIndexExcludeClass.some((className) =>
+    element.classList.contains(className),
+  );
+}
+
 /**
  * 获取最大的zIndex值
  */
@@ -44,7 +54,11 @@ function calcZIndex() {
   [...elements].forEach((element) => {
     const style = window.getComputedStyle(element);
     const zIndex = style.getPropertyValue('z-index');
-    if (zIndex && !Number.isNaN(Number.parseInt(zIndex))) {
+    if (
+      zIndex &&
+      !Number.isNaN(Number.parseInt(zIndex)) &&
+      !isZIndexExcludeClass(element)
+    ) {
       maxZ = Math.max(maxZ, Number.parseInt(zIndex));
     }
   });