diff --git a/components/_util/transition.tsx b/components/_util/transition.tsx
index 98903ca36..fd6ebc490 100644
--- a/components/_util/transition.tsx
+++ b/components/_util/transition.tsx
@@ -27,9 +27,9 @@ export const getTransitionProps = (transitionName: string, opt: TransitionProps
         // appearFromClass: `${transitionName}-appear ${transitionName}-appear-prepare`,
         // appearActiveClass: `antdv-base-transtion`,
         // appearToClass: `${transitionName}-appear ${transitionName}-appear-active`,
-        enterFromClass: `${transitionName} ${transitionName}-enter ${transitionName}-enter-prepare ${transitionName}-enter-start`,
-        enterActiveClass: `${transitionName} ${transitionName}-enter ${transitionName}-enter-prepare`,
-        enterToClass: `${transitionName} ${transitionName}-enter ${transitionName}-enter-active`,
+        enterFromClass: `${transitionName}-enter ${transitionName}-enter-prepare ${transitionName}-enter-start`,
+        enterActiveClass: `${transitionName}-enter ${transitionName}-enter-prepare`,
+        enterToClass: `${transitionName}-enter ${transitionName}-enter-active`,
         leaveFromClass: ` ${transitionName}-leave`,
         leaveActiveClass: `${transitionName}-leave ${transitionName}-leave-active`,
         leaveToClass: `${transitionName}-leave ${transitionName}-leave-active`,
diff --git a/components/form/ErrorList.tsx b/components/form/ErrorList.tsx
index 657a29088..43eaf2664 100644
--- a/components/form/ErrorList.tsx
+++ b/components/form/ErrorList.tsx
@@ -38,7 +38,12 @@ export default defineComponent({
         colMItem,
       );
       (transitionGroupProps as any).role = 'alert';
-      (transitionGroupProps as any).class = [hashId.value, baseClassName.value, attrs.class];
+      (transitionGroupProps as any).class = [
+        hashId.value,
+        baseClassName.value,
+        attrs.class,
+        `${prefixCls.value}-show-help`,
+      ];
       return (
         <Transition
           {...getTransitionProps(`${prefixCls.value}-show-help`)}