diff --git a/enlish-service/src/main/java/com/yinlihupo/enlish/service/config/SaTokenConfigure.java b/enlish-service/src/main/java/com/yinlihupo/enlish/service/config/SaTokenConfigure.java
index c186508..8d2bb3a 100644
--- a/enlish-service/src/main/java/com/yinlihupo/enlish/service/config/SaTokenConfigure.java
+++ b/enlish-service/src/main/java/com/yinlihupo/enlish/service/config/SaTokenConfigure.java
@@ -34,6 +34,7 @@ public class SaTokenConfigure implements WebMvcConfigurer {
                     .notMatch("/studentLessonPlans/list")
                     .notMatch("/studentLessonPlans/history")
                     .notMatch("/student/analyze")
+                    .notMatch("/student/mastery/detail")
                     .notMatch("/unit/list")
                     .notMatch("/vocabulary/list")
                     .notMatch("/plan/download")
diff --git a/enlish-service/src/main/java/com/yinlihupo/enlish/service/controller/StudentController.java b/enlish-service/src/main/java/com/yinlihupo/enlish/service/controller/StudentController.java
index 580db9a..e43e381 100644
--- a/enlish-service/src/main/java/com/yinlihupo/enlish/service/controller/StudentController.java
+++ b/enlish-service/src/main/java/com/yinlihupo/enlish/service/controller/StudentController.java
@@ -4,6 +4,8 @@ package com.yinlihupo.enlish.service.controller;
 import com.yinlihupo.enlish.service.domain.dataobject.ClassDO;
 import com.yinlihupo.enlish.service.domain.dataobject.GradeDO;
 import com.yinlihupo.enlish.service.domain.dataobject.StudentDO;
+import com.yinlihupo.enlish.service.model.bo.StudentDetail;
+import com.yinlihupo.enlish.service.model.bo.exam.WordMasteryDetail;
 import com.yinlihupo.enlish.service.model.vo.student.*;
 import com.yinlihupo.enlish.service.service.ClassService;
 import com.yinlihupo.enlish.service.service.GradeService;
@@ -92,4 +94,21 @@ public class StudentController {
         String analyzeStudentStudy = studentService.analyzeStudentStudy(analyzeStudentStudyReqVO.getStudentId());
         return Response.success(analyzeStudentStudy);
     }
+
+    @PostMapping("mastery/detail")
+    @ApiOperationLog(description = "查询学生单词掌握详情")
+    public Response<List<FindStudentMasteryDetailRspVO>> findStudentMasteryDetail(@RequestBody FindStudentMasteryDetailReqVO findStudentMasteryDetailReqVO) {
+        Integer studentId = findStudentMasteryDetailReqVO.getStudentId();
+        List<WordMasteryDetail> studentWordMasteryDetail = studentService.findStudentWordMasteryDetail(studentId);
+
+        List<FindStudentMasteryDetailRspVO> list = studentWordMasteryDetail.stream().map(wordMasteryDetail -> FindStudentMasteryDetailRspVO.builder()
+                .word(wordMasteryDetail.getWord())
+                .reviewCount(wordMasteryDetail.getReviewCount())
+                .memoryStrength(wordMasteryDetail.getMemoryStrength())
+                .updateTime(wordMasteryDetail.getUpdate_time())
+                .build()
+        ).toList();
+
+        return Response.success(list);
+    }
 }
diff --git a/enlish-service/src/main/java/com/yinlihupo/enlish/service/domain/mapper/WordMasteryLogDOMapper.java b/enlish-service/src/main/java/com/yinlihupo/enlish/service/domain/mapper/WordMasteryLogDOMapper.java
index 434e19c..67d78e8 100644
--- a/enlish-service/src/main/java/com/yinlihupo/enlish/service/domain/mapper/WordMasteryLogDOMapper.java
+++ b/enlish-service/src/main/java/com/yinlihupo/enlish/service/domain/mapper/WordMasteryLogDOMapper.java
@@ -18,4 +18,6 @@ public interface WordMasteryLogDOMapper {
     int selectStudentStrengthCount(@Param("studentId") Integer studentId);
 
     List<WordMasteryLogDO> selectByStudentIdAndLimitTime(@Param("studentId") Integer studentId);
+
+    List<WordMasteryLogDO> selectAllByStudentId(@Param("studentId") Integer studentId);
 }
\ No newline at end of file
diff --git a/enlish-service/src/main/java/com/yinlihupo/enlish/service/model/vo/student/FindStudentMasteryDetailReqVO.java b/enlish-service/src/main/java/com/yinlihupo/enlish/service/model/vo/student/FindStudentMasteryDetailReqVO.java
new file mode 100644
index 0000000..6da0653
--- /dev/null
+++ b/enlish-service/src/main/java/com/yinlihupo/enlish/service/model/vo/student/FindStudentMasteryDetailReqVO.java
@@ -0,0 +1,15 @@
+package com.yinlihupo.enlish.service.model.vo.student;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Builder
+public class FindStudentMasteryDetailReqVO {
+
+    private Integer studentId;
+}
diff --git a/enlish-service/src/main/java/com/yinlihupo/enlish/service/model/vo/student/FindStudentMasteryDetailRspVO.java b/enlish-service/src/main/java/com/yinlihupo/enlish/service/model/vo/student/FindStudentMasteryDetailRspVO.java
new file mode 100644
index 0000000..07df1a8
--- /dev/null
+++ b/enlish-service/src/main/java/com/yinlihupo/enlish/service/model/vo/student/FindStudentMasteryDetailRspVO.java
@@ -0,0 +1,22 @@
+package com.yinlihupo.enlish.service.model.vo.student;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Builder
+public class FindStudentMasteryDetailRspVO {
+    private String word;
+
+    private Integer reviewCount;
+
+    private Double memoryStrength;
+
+    private LocalDateTime updateTime;
+}
diff --git a/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/StudentService.java b/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/StudentService.java
index 58605ad..049fef2 100644
--- a/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/StudentService.java
+++ b/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/StudentService.java
@@ -3,6 +3,7 @@ package com.yinlihupo.enlish.service.service;
 
 import com.yinlihupo.enlish.service.domain.dataobject.StudentDO;
 import com.yinlihupo.enlish.service.model.bo.StudentDetail;
+import com.yinlihupo.enlish.service.model.bo.exam.WordMasteryDetail;
 import com.yinlihupo.enlish.service.model.vo.student.AddStudentReqVO;
 
 import java.util.List;
@@ -22,4 +23,6 @@ public interface StudentService {
     void deleteStudent(Integer studentId);
 
     String analyzeStudentStudy(Integer studentId);
+
+    List<WordMasteryDetail> findStudentWordMasteryDetail(Integer studentId);
 }
diff --git a/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/student/StudentServiceImpl.java b/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/student/StudentServiceImpl.java
index b2eab3f..0901dcc 100644
--- a/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/student/StudentServiceImpl.java
+++ b/enlish-service/src/main/java/com/yinlihupo/enlish/service/service/student/StudentServiceImpl.java
@@ -167,4 +167,22 @@ public class StudentServiceImpl implements StudentService {
         }
 
     }
+
+    @Override
+    public List<WordMasteryDetail> findStudentWordMasteryDetail(Integer studentId) {
+
+        List<WordMasteryLogDO> wordMasteryLogDOS = wordMasteryLogDOMapper.selectAllByStudentId(studentId);
+        List<VocabularyBankDO> masteredWords = vocabularyBankMapper.selectVocabularyBankDOListByIds(wordMasteryLogDOS.stream().map(WordMasteryLogDO::getWordId).toList());
+        Map<Integer, VocabularyBankDO> id2MasteryWord = masteredWords.stream().collect(Collectors.toMap(VocabularyBankDO::getId, vocabularyBankDO -> vocabularyBankDO));
+        List<WordMasteryDetail> wordMasteryDetails = new ArrayList<>();
+        for (WordMasteryLogDO wordMasteryLogDO : wordMasteryLogDOS) {
+            wordMasteryDetails.add(WordMasteryDetail.builder()
+                    .word(id2MasteryWord.get(wordMasteryLogDO.getWordId()).getWord())
+                    .reviewCount(wordMasteryLogDO.getReviewCount())
+                    .memoryStrength(wordMasteryLogDO.getMemoryStrength())
+                    .update_time(wordMasteryLogDO.getUpdate_time())
+                    .build());
+        }
+        return wordMasteryDetails;
+    }
 }
diff --git a/enlish-service/src/main/resources/mapper/WordMasteryLogDOMapper.xml b/enlish-service/src/main/resources/mapper/WordMasteryLogDOMapper.xml
index 83992ec..5250858 100644
--- a/enlish-service/src/main/resources/mapper/WordMasteryLogDOMapper.xml
+++ b/enlish-service/src/main/resources/mapper/WordMasteryLogDOMapper.xml
@@ -58,4 +58,9 @@
         where student_id = #{studentId}
           and update_time between date_sub(now(), interval 7 day) and now()
     </select>
+    <select id="selectAllByStudentId" resultMap="BaseResultMap">
+        select *
+        from word_mastery_log
+        where student_id = #{studentId}
+    </select>
 </mapper>
\ No newline at end of file
diff --git a/enlish-vue/src/api/student.js b/enlish-vue/src/api/student.js
index 546d0c9..bf16618 100644
--- a/enlish-vue/src/api/student.js
+++ b/enlish-vue/src/api/student.js
@@ -31,3 +31,9 @@ export function getStudentStudyAnalyze(data) {
         timeout: 20000
     })
 }
+
+export function getStudentWordMastery(id) {
+    return axios.post('/student/mastery/detail', {
+        studentId: id
+    })
+}
diff --git a/enlish-vue/src/layouts/components/student/WordMasteryHeatmap.vue b/enlish-vue/src/layouts/components/student/WordMasteryHeatmap.vue
new file mode 100644
index 0000000..9ab989e
--- /dev/null
+++ b/enlish-vue/src/layouts/components/student/WordMasteryHeatmap.vue
@@ -0,0 +1,215 @@
+<template>
+    <template v-if="rows.length > 0">
+        <div :style="{ width: '100%', height: containerHeight + 'px' }">
+            <div ref="elRef" style="width: 100%; height: 100%;"></div>
+        </div>
+    </template>
+    <template v-else>
+        <el-empty description="暂无词汇数据或接口未返回" />
+    </template>
+</template>
+
+<script setup>
+import { defineProps, ref, onMounted, onUnmounted, watch, computed } from 'vue'
+import { getStudentWordMastery } from '@/api/student'
+
+const props = defineProps({
+    studentId: { type: [Number, String], required: true },
+    columns: { type: Number, default: 50 }
+})
+
+const elRef = ref(null)
+let chart = null
+let echartsLib = null
+const rows = ref([])
+const loading = ref(false)
+const error = ref(null)
+const containerHeight = computed(() => {
+    const count = rows.value.length
+    const cols = Math.max(1, Number(props.columns) || 50)
+    const r = Math.ceil(count / cols)
+    const cell = 12
+    const padding = 60
+    return Math.max(180, r * cell + padding)
+})
+
+function toGrid(data, columns) {
+    const arr = Array.isArray(data) ? data.slice() : []
+    arr.sort((a, b) => {
+        const av = Number(a.memoryStrength) || 0
+        const bv = Number(b.memoryStrength) || 0
+        // 高分在前，让上方更绿
+        return bv - av
+    })
+    const grid = []
+    for (let i = 0; i < arr.length; i++) {
+        const row = Math.floor(i / columns)
+        const col = i % columns
+        const it = arr[i]
+        grid.push([col, row, Number(it.memoryStrength) || 0, it.word, Number(it.reviewCount) || 0, it.updateTime || ''])
+    }
+    return grid
+}
+
+function getMinMax(data) {
+    let min = Infinity
+    let max = -Infinity
+    for (const it of data) {
+        const v = Number(it.memoryStrength) || 0
+        if (v < min) min = v
+        if (v > max) max = v
+    }
+    if (!isFinite(min)) min = 0
+    if (!isFinite(max)) max = 0
+    const absMax = Math.max(Math.abs(min), Math.abs(max), 1)
+    return { min: -absMax, max: absMax }
+}
+
+function buildOption(gridData, min, max, columns) {
+    const rowCount = gridData.reduce((acc, cur) => Math.max(acc, cur[1]), 0) + 1
+    const xCats = Array.from({ length: columns }, (_, i) => String(i + 1))
+    const yCats = Array.from({ length: rowCount }, (_, i) => String(i + 1))
+    return {
+        tooltip: {
+            formatter: (p) => {
+                const [x, y, val, word, review, time] = p.data || []
+                return [
+                    `词汇：${word || ''}`,
+                    `记忆强度：${val}`,
+                    `复习次数：${review}`,
+                    time ? `更新时间：${time}` : ''
+                ].filter(Boolean).join('<br/>')
+            }
+        },
+        grid: { left: 20, right: 20, top: 20, bottom: 80 },
+        xAxis: {
+            type: 'category',
+            data: xCats,
+            axisLine: { show: false },
+            axisTick: { show: false },
+            axisLabel: { show: false }
+        },
+        yAxis: {
+            type: 'category',
+            data: yCats,
+            axisLine: { show: false },
+            axisTick: { show: false },
+            axisLabel: { show: false }
+        },
+        visualMap: {
+            min,
+            max,
+            dimension: 2,
+            orient: 'horizontal',
+            left: 'center',
+            bottom: 0,
+            text: ['熟悉', '生疏'],
+            inRange: {
+                color: ['#d64f4f', '#f59e0b', '#c0c0c0', '#86efac', '#22c55e']
+            },
+            calculable: true
+        },
+        series: [{
+            name: '掌握度',
+            type: 'heatmap',
+            data: gridData,
+            encode: { x: 0, y: 1, value: 2 },
+            emphasis: { 
+                itemStyle: { 
+                    borderColor: '#111827', 
+                    borderWidth: 1.2,
+                    shadowBlur: 6,
+                    shadowColor: 'rgba(0,0,0,0.15)'
+                } 
+            },
+            itemStyle: { 
+                borderColor: '#e5e7eb', 
+                borderWidth: 1,
+                opacity: 0.95 
+            }
+        }]
+    }
+}
+
+function resize() {
+    if (chart) chart.resize()
+}
+
+async function ensureEcharts() {
+    try {
+        const mod = await import('echarts')
+        echartsLib = mod
+    } catch (e) {
+        if (window.echarts) {
+            echartsLib = window.echarts
+        } else {
+            await new Promise(resolve => {
+                const s = document.createElement('script')
+                s.src = 'https://cdn.jsdelivr.net/npm/echarts@5/dist/echarts.min.js'
+                s.onload = resolve
+                document.head.appendChild(s)
+            })
+            echartsLib = window.echarts
+        }
+    }
+}
+
+async function render() {
+    if (!elRef.value) return
+    await ensureEcharts()
+    if (!echartsLib) return
+    if (!chart) {
+        chart = echartsLib.init(elRef.value)
+        window.addEventListener('resize', resize)
+    }
+    const cols = Math.max(1, Number(props.columns) || 50)
+    const gridData = toGrid(rows.value, cols)
+    const { min, max } = getMinMax(rows.value)
+    const option = buildOption(gridData, min, max, cols)
+    chart.setOption(option)
+}
+
+async function fetch() {
+    if (props.studentId === undefined || props.studentId === null) return
+    loading.value = true
+    try {
+        const res = await getStudentWordMastery(Number(props.studentId))
+        const d = res?.data?.data ?? []
+        rows.value = Array.isArray(d) ? d : []
+    } catch (e) {
+        error.value = e?.message || '加载失败'
+        rows.value = []
+    } finally {
+        loading.value = false
+    }
+}
+
+onMounted(async () => {
+    await fetch()
+    await render()
+})
+
+onUnmounted(() => {
+    window.removeEventListener('resize', resize)
+    if (chart) {
+        chart.dispose()
+        chart = null
+    }
+})
+
+watch(() => props.studentId, async () => {
+    await fetch()
+    await render()
+})
+
+watch(rows, async () => {
+    if (rows.value.length > 0) {
+        await render()
+    } else {
+        if (chart) chart.clear()
+    }
+})
+</script>
+
+<style scoped>
+</style>
diff --git a/enlish-vue/src/pages/student.vue b/enlish-vue/src/pages/student.vue
index fbdf53b..13cdf0b 100644
--- a/enlish-vue/src/pages/student.vue
+++ b/enlish-vue/src/pages/student.vue
@@ -32,6 +32,10 @@
                         <div class="text-md font-semibold mb-3">学生学案记录</div>
                         <PlanHistoryChart :student-id="route.params.id" />
                     </div>
+                    <div class="bg-white dark:bg-gray-800 rounded-lg shadow p-6">
+                        <div class="text-md font-semibold mb-3">词汇掌握热力图</div>
+                        <WordMasteryHeatmap :student-id="route.params.id" :columns="50" />
+                    </div>
                     <div class="bg-white dark:bg-gray-800 rounded-lg shadow p-6">
                         <div class="flex items-center justify-between mb-3">
                             <div class="text-md font-semibold">学习分析</div>
@@ -61,6 +65,7 @@ import { getStudentDetail, getStudentStudyAnalyze } from '@/api/student'
 import { getStudentExamHistory } from '@/api/exam'
 import ExamHistoryChart from '@/layouts/components/student/ExamHistoryChart.vue'
 import PlanHistoryChart from '@/layouts/components/student/PlanHistoryChart.vue'
+import WordMasteryHeatmap from '@/layouts/components/student/WordMasteryHeatmap.vue'
 import MarkdownIt from 'markdown-it'
 
 const loading = ref(false)