diff --git a/src/pages/PerformanceDomainPracticePage.tsx b/src/pages/PerformanceDomainPracticePage.tsx
index d91918a..c088551 100644
--- a/src/pages/PerformanceDomainPracticePage.tsx
+++ b/src/pages/PerformanceDomainPracticePage.tsx
@@ -1,5 +1,5 @@
-import { useEffect, useMemo, useRef, useState, type ReactNode } from 'react'
-import { AnimatePresence, motion } from 'framer-motion'
+import { useEffect, useMemo, useState, type ReactNode } from 'react'
+import { motion } from 'framer-motion'
 import { Link } from 'react-router-dom'
 import clsx from 'clsx'
 import {
@@ -55,8 +55,6 @@ interface CircularProgressProps {
 }
 
 const STORAGE_KEY = 'performance-domain-practice-progress-v2'
-const CORRECT_DELAY = 900
-const WRONG_DELAY = 1800
 
 const scopeOptions: Array<{ value: PracticeScope; label: string }> = [
   { value: 'all', label: '全部' },
@@ -264,7 +262,6 @@ export default function PerformanceDomainPracticePage() {
     () => new Map(questionBank.map((question) => [question.id, question])),
     [questionBank]
   )
-  const autoNextTimerRef = useRef<number | null>(null)
 
   const [progress, setProgress] = useState<PracticeProgress>(() =>
     getStoredProgress(questionBank)
@@ -304,23 +301,7 @@ export default function PerformanceDomainPracticePage() {
     }
   }, [isFinished])
 
-  useEffect(() => {
-    return () => {
-      if (autoNextTimerRef.current) {
-        window.clearTimeout(autoNextTimerRef.current)
-      }
-    }
-  }, [])
-
-  const clearAutoNextTimer = () => {
-    if (autoNextTimerRef.current) {
-      window.clearTimeout(autoNextTimerRef.current)
-      autoNextTimerRef.current = null
-    }
-  }
-
   const restartPractice = (scope = progress.scope) => {
-    clearAutoNextTimer()
     setProgress(createProgress(scope, questionBank))
     setAnswerState(null)
     setShowCelebration(false)
@@ -334,7 +315,6 @@ export default function PerformanceDomainPracticePage() {
   const advanceToNext = (isCorrect: boolean) => {
     if (!currentQuestionId) return
 
-    clearAutoNextTimer()
     setAnswerState(null)
 
     setProgress((prev) => {
@@ -359,19 +339,6 @@ export default function PerformanceDomainPracticePage() {
     })
   }
 
-  useEffect(() => {
-    if (!answerState) return
-
-    clearAutoNextTimer()
-    autoNextTimerRef.current = window.setTimeout(() => {
-      advanceToNext(answerState.isCorrect)
-    }, answerState.isCorrect ? CORRECT_DELAY : WRONG_DELAY)
-
-    return () => {
-      clearAutoNextTimer()
-    }
-  }, [answerState, currentQuestionId])
-
   const handleSelect = (domainId: string) => {
     if (!currentQuestion || answerState) return
 
@@ -627,25 +594,19 @@ export default function PerformanceDomainPracticePage() {
               </div>
             </div>
 
-            <AnimatePresence mode="wait">
-              <motion.div
-                key={currentQuestion.id}
-                initial={{ opacity: 0, y: 16 }}
-                animate={{ opacity: 1, y: 0 }}
-                exit={{ opacity: 0, y: -16 }}
-                className="rounded-3xl bg-white px-5 py-6 shadow-sm ring-1 ring-gray-100 dark:bg-gray-800 dark:ring-gray-700"
-              >
+            <div className="rounded-3xl bg-white px-5 py-6 shadow-sm ring-1 ring-gray-100 dark:bg-gray-800 dark:ring-gray-700">
+              <div className="flex min-h-[160px] items-center">
                 <p className="text-xl font-semibold leading-9 text-gray-900 dark:text-white">
                   {currentQuestion.text}
                 </p>
-              </motion.div>
-            </AnimatePresence>
+              </div>
+            </div>
 
             <motion.div
               initial={false}
               animate={{ opacity: answerState ? 1 : 0.96 }}
               className={clsx(
-                'mt-4 rounded-2xl border px-4 py-4 shadow-sm',
+                'mt-4 min-h-[124px] rounded-2xl border px-4 py-4 shadow-sm',
                 answerState?.isCorrect
                   ? 'border-emerald-200 bg-emerald-50 dark:border-emerald-800 dark:bg-emerald-950/30'
                   : answerState
@@ -654,7 +615,7 @@ export default function PerformanceDomainPracticePage() {
               )}
             >
               {answerState && currentDomain ? (
-                <div className="flex flex-wrap items-center justify-between gap-3">
+                <div className="flex h-full flex-col justify-between gap-3">
                   <div className="space-y-1">
                     <div
                       className={clsx(
@@ -670,22 +631,22 @@ export default function PerformanceDomainPracticePage() {
                     </div>
                     <p className="text-sm leading-6 text-gray-600 dark:text-gray-300">
                       {answerState.isCorrect
-                        ? currentDomain.description
+                        ? '这题已答对。'
                         : '这题已放到后面，稍后会再出现。'}
                     </p>
                   </div>
-                  <button
-                    type="button"
-                    onClick={() => advanceToNext(answerState.isCorrect)}
-                    className="rounded-xl bg-indigo-600 px-4 py-2 text-sm font-semibold text-white transition-colors hover:bg-indigo-500"
-                  >
-                    下一个
-                  </button>
+                  <div className="flex justify-center">
+                    <button
+                      type="button"
+                      onClick={() => advanceToNext(answerState.isCorrect)}
+                      className="rounded-xl bg-indigo-600 px-4 py-2 text-sm font-semibold text-white transition-colors hover:bg-indigo-500"
+                    >
+                      下一个
+                    </button>
+                  </div>
                 </div>
               ) : (
-                <p className="text-sm text-gray-600 dark:text-gray-300">
-                  选中后会自动进入下一个。
-                </p>
+                <div className="h-full" />
               )}
             </motion.div>
 
@@ -714,25 +675,19 @@ export default function PerformanceDomainPracticePage() {
                   </span>
                 </div>
 
-                <AnimatePresence mode="wait">
-                  <motion.div
-                    key={currentQuestion.id}
-                    initial={{ opacity: 0, scale: 0.96, y: 16 }}
-                    animate={{ opacity: 1, scale: 1, y: 0 }}
-                    exit={{ opacity: 0, scale: 0.96, y: -16 }}
-                    className="rounded-[2rem] bg-white/95 px-6 py-7 text-center shadow-xl ring-1 ring-gray-100 backdrop-blur-sm dark:bg-gray-800/95 dark:ring-gray-700"
-                  >
+                <div className="rounded-[2rem] bg-white/95 px-6 py-7 text-center shadow-xl ring-1 ring-gray-100 backdrop-blur-sm dark:bg-gray-800/95 dark:ring-gray-700">
+                  <div className="flex min-h-[220px] items-center justify-center">
                     <p className="text-2xl font-semibold leading-10 text-gray-900 dark:text-white">
                       {currentQuestion.text}
                     </p>
-                  </motion.div>
-                </AnimatePresence>
+                  </div>
+                </div>
 
                 <motion.div
                   initial={false}
                   animate={{ opacity: answerState ? 1 : 0.96 }}
                   className={clsx(
-                    'mt-4 rounded-2xl border px-4 py-4 shadow-sm',
+                    'mt-4 min-h-[132px] rounded-2xl border px-4 py-4 shadow-sm',
                     answerState?.isCorrect
                       ? 'border-emerald-200 bg-emerald-50/95 dark:border-emerald-800 dark:bg-emerald-950/40'
                       : answerState
@@ -741,7 +696,7 @@ export default function PerformanceDomainPracticePage() {
                   )}
                 >
                   {answerState && currentDomain ? (
-                    <div className="flex items-center justify-between gap-4">
+                    <div className="flex h-full flex-col justify-between gap-3">
                       <div className="space-y-1">
                         <div
                           className={clsx(
@@ -757,22 +712,22 @@ export default function PerformanceDomainPracticePage() {
                         </div>
                         <p className="text-sm leading-6 text-gray-600 dark:text-gray-300">
                           {answerState.isCorrect
-                            ? currentDomain.description
+                            ? '这题已答对。'
                             : '这题已放到后面，稍后会再出现。'}
                         </p>
                       </div>
-                      <button
-                        type="button"
-                        onClick={() => advanceToNext(answerState.isCorrect)}
-                        className="shrink-0 rounded-xl bg-indigo-600 px-4 py-2 text-sm font-semibold text-white transition-colors hover:bg-indigo-500"
-                      >
-                        下一个
-                      </button>
+                      <div className="flex justify-center">
+                        <button
+                          type="button"
+                          onClick={() => advanceToNext(answerState.isCorrect)}
+                          className="rounded-xl bg-indigo-600 px-4 py-2 text-sm font-semibold text-white transition-colors hover:bg-indigo-500"
+                        >
+                          下一个
+                        </button>
+                      </div>
                     </div>
                   ) : (
-                    <p className="text-center text-sm text-gray-600 dark:text-gray-300">
-                      选中后会自动进入下一个。
-                    </p>
+                    <div className="h-full" />
                   )}
                 </motion.div>
               </div>