diff --git a/src/main/resources/views/platform/zhgh/dayofficework/qsv/online/index.html b/src/main/resources/views/platform/zhgh/dayofficework/qsv/online/index.html
index 53554f2..b9a98f9 100644
--- a/src/main/resources/views/platform/zhgh/dayofficework/qsv/online/index.html
+++ b/src/main/resources/views/platform/zhgh/dayofficework/qsv/online/index.html
@@ -41,6 +41,30 @@ layout("/layouts/platform.html"){
         box-sizing: border-box;
     }
 
+    .qsv-online-answer-header {
+        display: flex;
+        align-items: center;
+        justify-content: space-between;
+        gap: 16px;
+        padding-right: 16px;
+    }
+
+    .qsv-online-quiz-timer {
+        flex-shrink: 0;
+        color: #e6a23c;
+        font-weight: 600;
+    }
+
+    .qsv-online-description {
+        line-height: 1.8;
+        overflow-wrap: break-word;
+    }
+
+    .qsv-online-description img {
+        max-width: 100%;
+        height: auto;
+    }
+
     .qsv-online-preview-title {
         margin: 0;
         font-size: 18px;
@@ -90,6 +114,33 @@ layout("/layouts/platform.html"){
         min-width: 72px;
     }
 
+    .qsv-online-result-score {
+        color: #409eff;
+        font-size: 28px;
+        font-weight: 700;
+    }
+
+    .qsv-online-result-tags {
+        margin-bottom: 12px;
+    }
+
+    .qsv-online-result-option {
+        color: #303133;
+    }
+
+    .qsv-online-result-option.is-correct {
+        color: #67c23a;
+    }
+
+    .qsv-online-subject-result {
+        margin-top: 12px;
+        color: #f56c6c;
+    }
+
+    .qsv-online-subject-result.is-correct {
+        color: #67c23a;
+    }
+
     .qsv-online-option-fill {
         width: 520px;
         max-width: 100%;
@@ -495,8 +546,22 @@ layout("/layouts/platform.html"){
             size="1145px"
             custom-class="qsv-online-drawer"
             append-to-body
-            @closed="stopVoteCountdown">
+            @close="stopAnswerTimers">
+        <div slot="title" class="qsv-online-answer-header">
+            <span>{{answerDialog.title}}</span>
+            <span v-if="answerDialog.activity.category === 'QUIZ' && answerDialog.activity.timeLimit > 0 && !answerDialog.readonly" class="qsv-online-quiz-timer">
+                <i class="el-icon-time"></i> 剩余时间：{{quizRemainingText}}
+            </span>
+        </div>
         <div class="qsv-online-preview-body" v-loading="answerDialog.loading">
+            <div v-if="answerDialog.activity.description" class="qsv-online-subject">
+                <div class="qsv-online-subject-title">说明</div>
+                <div class="qsv-online-description" v-html="answerDialog.activity.description"></div>
+            </div>
+            <div v-if="showQuizResult" class="qsv-online-subject">
+                <div class="qsv-online-subject-title">{{answerDialog.activity.title}}</div>
+                <div class="qsv-online-result-score">总分：{{quizTotalScore}} 分</div>
+            </div>
             <div v-if="isVoteActivity" class="qsv-online-vote">
                 <div class="qsv-online-vote-header">
                     <h2 class="qsv-online-vote-title">{{answerDialog.activity.title}}</h2>
@@ -573,6 +638,11 @@ layout("/layouts/platform.html"){
             </div>
             <el-empty v-if="!isVoteActivity && visibleSubjects.length === 0 && !answerDialog.loading" description="暂无题目"></el-empty>
             <div v-if="!isVoteActivity" v-for="(subject, index) in visibleSubjects" :key="subject.id" class="qsv-online-subject">
+                <div v-if="showQuizResult" class="qsv-online-result-tags">
+                    <el-tag v-if="subject.type === 'radio'" size="small">单选</el-tag>
+                    <el-tag v-else-if="subject.type === 'checkbox'" size="small">多选</el-tag>
+                    <el-tag v-if="subject.score !== undefined && subject.score !== null" size="small">{{subject.score}}分</el-tag>
+                </div>
                 <div class="qsv-online-subject-title">
                     <span v-if="answerDialog.showIndex" class="qsv-online-subject-index">{{index + 1}}.</span>
                     <span>{{subject.title}}</span>
@@ -585,7 +655,7 @@ layout("/layouts/platform.html"){
                             :value="getRadioValue(subject)"
                             @input="setRadioValue(subject, $event)">
                         <template v-for="option in subject.options">
-                            <el-radio :key="option.id" :label="option.id">{{option.text}}</el-radio>
+                            <el-radio :key="option.id" :label="option.id"><span :class="{ 'qsv-online-result-option': showQuizResult, 'is-correct': showQuizResult && option.isCorrect }">{{option.text}}<span v-if="showQuizResult && option.isCorrect">（正确答案）</span></span></el-radio>
                             <el-input
                                     v-if="isOptionFillVisible(subject, option)"
                                     :key="option.id + '-fill'"
@@ -604,7 +674,7 @@ layout("/layouts/platform.html"){
                             :disabled="answerDialog.readonly"
                             @change="onCheckboxChange(subject)">
                         <template v-for="option in subject.options">
-                            <el-checkbox :key="option.id" :label="option.id">{{option.text}}</el-checkbox>
+                            <el-checkbox :key="option.id" :label="option.id"><span :class="{ 'qsv-online-result-option': showQuizResult, 'is-correct': showQuizResult && option.isCorrect }">{{option.text}}<span v-if="showQuizResult && option.isCorrect">（正确答案）</span></span></el-checkbox>
                             <el-input
                                     v-if="isOptionFillVisible(subject, option)"
                                     :key="option.id + '-fill'"
@@ -623,6 +693,10 @@ layout("/layouts/platform.html"){
                         :readonly="answerDialog.readonly"
                         v-model="subject.userFillContent"
                         :placeholder="'请输入' + subject.title"></el-input>
+                <div v-if="showQuizResult && getSubjectResult(subject)" class="qsv-online-subject-result" :class="{ 'is-correct': getSubjectResult(subject).isCorrect }">
+                    <i :class="getSubjectResult(subject).isCorrect ? 'el-icon-circle-check' : 'el-icon-circle-close'"></i>
+                    {{getSubjectResult(subject).isCorrect ? '回答正确' : '回答错误'}}，得分：{{getSubjectResult(subject).score || 0}} 分
+                </div>
             </div>
         </div>
         <div class="qsv-online-footer">
@@ -709,6 +783,10 @@ layout("/layouts/platform.html"){
                         minutes: 0,
                         seconds: 0
                     },
+                    quizTimer: null,
+                    quizStartedAt: 0,
+                    quizElapsedSeconds: 0,
+                    quizExpired: false,
                     voteTimer: null,
                     voteRankVisible: false,
                     voteDetailVisible: false,
@@ -717,6 +795,21 @@ layout("/layouts/platform.html"){
             }
         },
         computed: {
+            // 仅已完成的计分答题显示成绩和正确答案，普通调查与投票保持原有展示。
+            showQuizResult() {
+                return this.answerDialog.activity.category === "QUIZ" && !!this.answerDialog.answerRecord.isFinish
+            },
+            quizRemainingSeconds() {
+                return Math.max(0, Number(this.answerDialog.activity.timeLimit || 0) * 60 - this.answerDialog.quizElapsedSeconds)
+            },
+            quizRemainingText() {
+                const seconds = this.quizRemainingSeconds
+                return Math.floor(seconds / 60) + '分' + String(seconds % 60).padStart(2, '0') + '秒'
+            },
+            quizTotalScore() {
+                const answers = this.answerDialog.answerRecord.extJson || {}
+                return Object.keys(answers).reduce((total, id) => total + Number(answers[id].score || 0), 0)
+            },
             visibleSubjects() {
                 return this.answerDialog.subjects.filter((subject) => {
                     return this.isSubjectVisible(subject)
@@ -862,6 +955,10 @@ layout("/layouts/platform.html"){
                     this.$message.warning(unavailableMessage)
                     return
                 }
+                this.stopAnswerTimers()
+                this.answerDialog.quizStartedAt = 0
+                this.answerDialog.quizElapsedSeconds = 0
+                this.answerDialog.quizExpired = false
                 this.answerDialog.visible = true
                 this.answerDialog.loading = true
                 this.answerDialog.readonly = row.actionType === "view"
@@ -908,6 +1005,7 @@ layout("/layouts/platform.html"){
                         this.answerDialog.answerRecord = res.data || {}
                         this.answerDialog.readonly = !!this.answerDialog.answerRecord.isFinish
                         this.initAnswer()
+                        this.startQuizTimer()
                     }
                 })
             },
@@ -928,6 +1026,10 @@ layout("/layouts/platform.html"){
                     this.clearHiddenSubjectAnswers()
                 }
             },
+            getSubjectResult(subject) {
+                const answers = this.answerDialog.answerRecord.extJson || {}
+                return answers[subject.id]
+            },
             getRadioValue(subject) {
                 return subject.userSelectOptionIds && subject.userSelectOptionIds.length > 0
                     ? subject.userSelectOptionIds[0]
@@ -985,6 +1087,43 @@ layout("/layouts/platform.html"){
                     }
                 })
             },
+            // 使用实际经过时间计时，避免切换浏览器标签后定时器节流导致倒计时变慢。
+            startQuizTimer() {
+                this.stopQuizTimer()
+                if (!this.answerDialog.visible || this.answerDialog.readonly || this.answerDialog.activity.category !== "QUIZ") return
+                this.answerDialog.quizStartedAt = Date.now()
+                this.answerDialog.quizElapsedSeconds = 0
+                this.answerDialog.quizExpired = false
+                this.answerDialog.quizTimer = setInterval(() => this.updateQuizTimer(), 1000)
+            },
+            updateQuizTimer() {
+                if (!this.answerDialog.quizStartedAt || this.answerDialog.readonly || !this.answerDialog.visible) return
+                this.answerDialog.quizElapsedSeconds = Math.floor((Date.now() - this.answerDialog.quizStartedAt) / 1000)
+                if (Number(this.answerDialog.activity.timeLimit) > 0 && this.quizRemainingSeconds === 0
+                        && !this.answerDialog.quizExpired && !this.answerDialog.submitLoading) {
+                    this.answerDialog.quizExpired = true
+                    this.stopQuizTimer()
+                    // 与手机端一致：超时提示重新答题，不自动提交未完成的答卷。
+                    this.$alert("答题时间到，请重新进入答题", "提示", {
+                        confirmButtonText: "确定",
+                        showClose: false,
+                        closeOnClickModal: false,
+                        closeOnPressEscape: false
+                    }).then(() => {
+                        this.answerDialog.visible = false
+                    })
+                }
+            },
+            stopQuizTimer() {
+                if (this.answerDialog.quizTimer) {
+                    clearInterval(this.answerDialog.quizTimer)
+                    this.answerDialog.quizTimer = null
+                }
+            },
+            stopAnswerTimers() {
+                this.stopQuizTimer()
+                this.stopVoteCountdown()
+            },
             startVoteCountdown() {
                 this.stopVoteCountdown()
                 this.updateVoteCountdown()
@@ -1196,6 +1335,8 @@ layout("/layouts/platform.html"){
                 return true
             },
             submitAnswer() {
+                this.updateQuizTimer()
+                if (this.answerDialog.readonly || this.answerDialog.quizExpired || this.answerDialog.submitLoading) return
                 if (!this.validateAnswer()) {
                     return
                 }
@@ -1204,11 +1345,14 @@ layout("/layouts/platform.html"){
                     cancelButtonText: "取消",
                     type: "warning"
                 }).then(() => {
+                    this.updateQuizTimer()
+                    if (!this.answerDialog.visible || this.answerDialog.readonly || this.answerDialog.quizExpired || this.answerDialog.submitLoading) return
                     this.answerDialog.submitLoading = true
                     $.post("/platform/qsv/online/submitAnswer", {
                         answer: JSON.stringify({
                             activityId: this.answerDialog.activity.id,
                             answerRecordId: this.answerDialog.answerRecordId,
+                            answerTime: this.answerDialog.quizElapsedSeconds,
                             subjects: this.submitSubjects.map((subject) => {
                                 return {
                                     id: subject.id,
@@ -1221,7 +1365,14 @@ layout("/layouts/platform.html"){
                     }).then((res) => {
                         if (res.code === 0) {
                             this.$message.success(res.msg)
-                            this.answerDialog.visible = false
+                            if (this.answerDialog.activity.category === "QUIZ") {
+                                // 提交后读取服务端判题结果，直接展示成绩并防止重复提交。
+                                this.answerDialog.readonly = true
+                                this.stopQuizTimer()
+                                this.loadAnswerRecord()
+                            } else {
+                                this.answerDialog.visible = false
+                            }
                             this.pageData()
                         } else {
                             this.$message.error(res.msg)
@@ -1237,7 +1388,7 @@ layout("/layouts/platform.html"){
             this.openAnswerFromUrl()
         },
         beforeDestroy() {
-            this.stopVoteCountdown()
+            this.stopAnswerTimers()
         }
     })
 </script>