diff --git a/src/apis.js b/src/apis.js
index 06a474f..8431626 100644
--- a/src/apis.js
+++ b/src/apis.js
@@ -411,6 +411,11 @@ export const getPersonalTrainingAPI = async () => {
     return request("GET", "/personal/training");
 };
 
+export const getTrainingDifficultyListAPI = async (type) => {
+    const query = type ? `?type=${encodeURIComponent(type)}` : "";
+    return request("GET", `/training/difficulty/list${query}`);
+};
+
 export const getBattleDataAPI = async () => {
     return request("GET", "/user/fight/statistics");
 };
diff --git a/src/components/training/TrainingDifficultyBadge.vue b/src/components/training/TrainingDifficultyBadge.vue
index 29c0f3e..01ee967 100644
--- a/src/components/training/TrainingDifficultyBadge.vue
+++ b/src/components/training/TrainingDifficultyBadge.vue
@@ -62,8 +62,8 @@ const badgeStateStyle = computed(() => {
   };
 });
 
-const isCompleted = computed(() => {
-  return !props.active && !props.locked && progressValue.value > 0;
+const showProgress = computed(() => {
+  return !props.locked;
 });
 
 const badgeFillSrc = computed(() => {
@@ -80,7 +80,7 @@ const handleClick = () => {
     class="difficulty-badge"
     :class="{
       'difficulty-badge--active': active,
-      'difficulty-badge--completed': isCompleted,
+      'difficulty-badge--progress': showProgress,
       'difficulty-badge--locked': locked,
     }"
     :style="[badgeStyle, badgeStateStyle]"
@@ -134,7 +134,7 @@ const handleClick = () => {
   content: "";
   position: absolute;
   inset: calc(var(--badge-orbit-offset) * -1);
-  border: 4rpx solid #ffffff;
+  border: 4rpx solid transparent;
   border-radius: 50%;
   pointer-events: none;
   box-sizing: border-box;
@@ -236,8 +236,8 @@ const handleClick = () => {
   content: none;
 }
 
-.difficulty-badge--completed .difficulty-badge__fill::before,
-.difficulty-badge--completed .difficulty-badge__fill::after {
+.difficulty-badge--progress .difficulty-badge__fill::before,
+.difficulty-badge--progress .difficulty-badge__fill::after {
   content: "";
   position: absolute;
   inset: -12rpx;
@@ -251,11 +251,11 @@ const handleClick = () => {
   pointer-events: none;
 }
 
-.difficulty-badge--completed .difficulty-badge__fill::before {
+.difficulty-badge--progress .difficulty-badge__fill::before {
   background: rgba(255, 255, 255, 0.35);
 }
 
-.difficulty-badge--completed .difficulty-badge__fill::after {
+.difficulty-badge--progress .difficulty-badge__fill::after {
   background: conic-gradient(
     from -90deg,
     rgba(254, 208, 152, 1) 0,
@@ -265,7 +265,7 @@ const handleClick = () => {
 }
 
 .difficulty-badge--active .difficulty-badge__label,
-.difficulty-badge--completed .difficulty-badge__label {
+.difficulty-badge--progress .difficulty-badge__label {
   color: #333333;
 }
 
diff --git a/src/components/training/TrainingDifficultyPreviewCard.vue b/src/components/training/TrainingDifficultyPreviewCard.vue
index 3269ac6..d8fa3a8 100644
--- a/src/components/training/TrainingDifficultyPreviewCard.vue
+++ b/src/components/training/TrainingDifficultyPreviewCard.vue
@@ -1,5 +1,7 @@
 <script setup>
-defineProps({
+import { computed } from "vue";
+
+const props = defineProps({
   title: {
     type: String,
     default: "",
@@ -9,6 +11,10 @@ defineProps({
     default: () => [],
   },
 });
+
+const previewLines = computed(() => {
+  return props.lines.map((line) => String(line || "").trim()).filter(Boolean);
+});
 </script>
 
 <template>
@@ -21,8 +27,13 @@ defineProps({
     <view class="difficulty-preview__content">
       <text class="difficulty-preview__title">{{ title }}</text>
       <view class="difficulty-preview__copy">
-        箭靶划分为3个区域、需5次命中目标
-        100秒内完成所有射击
+        <text
+          v-for="(line, index) in previewLines"
+          :key="`${line}-${index}`"
+          class="difficulty-preview__line"
+        >
+          {{ line }}
+        </text>
       </view>
     </view>
   </view>
@@ -67,5 +78,9 @@ defineProps({
   text-align: center;
 }
 
+.difficulty-preview__line {
+  display: block;
+}
+
 
 </style>
diff --git a/src/pages/training/difficulty.vue b/src/pages/training/difficulty.vue
index 9bbc594..711f38c 100644
--- a/src/pages/training/difficulty.vue
+++ b/src/pages/training/difficulty.vue
@@ -6,16 +6,205 @@ import TargetPicker from "@/components/TargetPicker.vue";
 import TrainingDifficultyBadge from "@/components/training/TrainingDifficultyBadge.vue";
 import TrainingDifficultyPreviewCard from "@/components/training/TrainingDifficultyPreviewCard.vue";
 import TrainingDifficultyStartButton from "@/components/training/TrainingDifficultyStartButton.vue";
-import {
-  getTrainingDifficultyModeConfig,
-  trainingDifficultyStorageKey,
-} from "@/mock/trainingDifficulty.js";
+import { getTrainingDifficultyListAPI } from "@/apis";
 
-// 当前页面的数据源：
-// 1. 模式配置：src/mock/trainingDifficulty.js -> getTrainingDifficultyModeConfig
-// 2. 当前进度：页面路由参数或配置中的 activeDifficultyId / progressMap
-const defaultModeKey = "precision";
+// 难度页接口数据源：
+// 1. 接口：GET /training/difficulty/list?type=base/endurance/precision/rhythm
+// 2. 当前进度：接口 user_levels / list.completed，路由参数可覆盖选中难度
+const trainingDifficultyStorageKey = "training-selection";
+const defaultTrainingType = "precision";
 const defaultUnlockedDifficultyId = "lv1";
+const trainingTypeMetaMap = {
+  base: {
+    key: "base",
+    title: "基础训练",
+  },
+  endurance: {
+    key: "endurance",
+    title: "耐力训练",
+  },
+  precision: {
+    key: "precision",
+    title: "精准训练",
+  },
+  rhythm: {
+    key: "rhythm",
+    title: "节奏训练",
+  },
+};
+const routeModeTypeMap = {
+  basic: "base",
+  base: "base",
+  endurance: "endurance",
+  precision: "precision",
+  rhythm: "rhythm",
+};
+
+const resolveTrainingType = (mode) => {
+  const normalizedMode = String(mode || "").toLowerCase();
+  return routeModeTypeMap[normalizedMode] || defaultTrainingType;
+};
+
+const createDifficultyId = (level) => `lv${level}`;
+
+const toNumber = (value, fallback = 0) => {
+  const numberValue = Number(value);
+  return Number.isFinite(numberValue) ? numberValue : fallback;
+};
+
+const clampProgress = (value) => {
+  return Math.min(Math.max(value, 0), 100);
+};
+
+const getDifficultyProgress = (item = {}) => {
+  const completedCnt = toNumber(item.completed_cnt);
+  const promoteCnt = toNumber(item.promote_cnt);
+
+  if (item.completed) {
+    return 100;
+  }
+
+  if (promoteCnt <= 0) {
+    return 0;
+  }
+
+  return clampProgress(Math.round((completedCnt / promoteCnt) * 100));
+};
+
+const checkDifficultyCompleted = (item = {}) => {
+  const completedCnt = toNumber(item.completed_cnt);
+  const promoteCnt = toNumber(item.promote_cnt);
+
+  return Boolean(item.completed) || (promoteCnt > 0 && completedCnt >= promoteCnt);
+};
+
+const getDifficultyModeText = (mode) => {
+  return Number(mode) === 1 ? "随机区域+指定环数" : "随机区域命中";
+};
+
+const createEmptyModeConfig = (type = defaultTrainingType) => {
+  const meta = trainingTypeMetaMap[type] || trainingTypeMetaMap[defaultTrainingType];
+
+  return {
+    key: meta.key,
+    title: meta.title,
+    nodes: [],
+    details: {},
+    activeDifficultyId: defaultUnlockedDifficultyId,
+    progressMap: {},
+  };
+};
+
+const createDifficultySummary = (item = {}) => {
+  const desc = String(item.desc || "").trim();
+  const type = item.type;
+  const arrows = toNumber(item.arrows);
+  const timeLimit = toNumber(item.time_limit);
+  const hitReq = toNumber(item.hit_req);
+  const totalReq = toNumber(item.total_req);
+  const blocks = toNumber(item.blocks);
+  const promoteCnt = toNumber(item.promote_cnt);
+  const timeText = timeLimit > 0 ? `${timeLimit}秒内完成` : "不限时完成";
+  const promoteText = promoteCnt > 0 ? `完成${promoteCnt}次晋级` : "";
+
+  const summaryMap = {
+    base: [
+      desc || (hitReq > 0 ? `每箭命中${hitReq}环以上` : "上靶即可"),
+      [`${arrows}箭`, promoteText].filter(Boolean).join(" · "),
+    ],
+    endurance: [
+      desc || `${timeText}${arrows}箭`,
+      [`累计${totalReq}环`, promoteText].filter(Boolean).join(" · "),
+    ],
+    precision: [
+      desc || `命中${blocks}个指定区域`,
+      [
+        `${arrows}箭`,
+        timeText,
+        getDifficultyModeText(item.mode),
+        promoteText,
+      ]
+        .filter(Boolean)
+        .join(" · "),
+    ],
+    rhythm: [
+      desc || `间隔${timeLimit}秒射击`,
+      [
+        `${arrows}箭`,
+        hitReq > 0 ? `每箭${hitReq}环以上` : "上靶即可",
+        getDifficultyModeText(item.mode),
+        promoteText,
+      ]
+        .filter(Boolean)
+        .join(" · "),
+    ],
+  };
+
+  return (summaryMap[type] || [desc]).filter(Boolean);
+};
+
+const normalizeTrainingDifficultyConfig = (result, type) => {
+  const meta = trainingTypeMetaMap[type] || trainingTypeMetaMap[defaultTrainingType];
+  const list = Array.isArray(result?.list) ? result.list : [];
+  const rawItems = list.filter((item) => !item?.type || item.type === meta.key);
+  const difficultyItems = rawItems
+    .map((item) => {
+      const level = toNumber(item?.difficulty);
+
+      if (level <= 0) {
+        return null;
+      }
+
+      const id = createDifficultyId(level);
+      const label = `Lv${level}`;
+
+      return {
+        ...item,
+        recordId: item.id,
+        completedCnt: toNumber(item.completed_cnt),
+        promoteCnt: toNumber(item.promote_cnt),
+        id,
+        level,
+        label,
+        title: `${label}难度`,
+        summary: createDifficultySummary(item),
+        startText: "开始",
+        targetPaperType: "20CM全环靶",
+      };
+    })
+    .filter(Boolean)
+    .sort((first, second) => first.level - second.level);
+  const maxLevel = difficultyItems.reduce(
+    (currentMax, item) => Math.max(currentMax, item.level),
+    0
+  );
+  const completedLevelFromList = difficultyItems.reduce((currentMax, item) => {
+    return checkDifficultyCompleted(item)
+      ? Math.max(currentMax, item.level)
+      : currentMax;
+  }, 0);
+  const userCompletedLevel = toNumber(result?.user_levels?.[meta.key]);
+  const highestCompletedLevel = userCompletedLevel || completedLevelFromList;
+  const unlockedLevel = maxLevel
+    ? Math.min(Math.max(highestCompletedLevel + 1, 1), maxLevel)
+    : 1;
+
+  return {
+    key: meta.key,
+    title: meta.title,
+    nodes: difficultyItems.map((item) => ({
+      id: item.id,
+      label: item.label,
+    })),
+    details: Object.fromEntries(
+      difficultyItems.map((item) => [item.id, item])
+    ),
+    activeDifficultyId: createDifficultyId(unlockedLevel),
+    progressMap: Object.fromEntries(
+      difficultyItems.map((item) => [item.id, getDifficultyProgress(item)])
+    ),
+  };
+};
 
 // 难度轴布局参数，节点按“等级越低越靠下”的方式排列。
 const nodesLayout = {
@@ -39,18 +228,13 @@ const emptyDifficulty = {
 };
 
 // 页面基础状态
-const modeKey = ref(defaultModeKey);
+const pageConfig = ref(createEmptyModeConfig(defaultTrainingType));
 const unlockedDifficultyId = ref(defaultUnlockedDifficultyId);
 const selectedDifficultyId = ref(defaultUnlockedDifficultyId);
 const showTargetPicker = ref(false);
 const nodesScrollTop = ref(0);
 const nodesScrollWithAnimation = ref(false);
 
-// 当前训练模式配置
-const pageConfig = computed(() => {
-  return getTrainingDifficultyModeConfig(modeKey.value);
-});
-
 const difficultyProgressMap = computed(() => {
   return pageConfig.value?.progressMap || {};
 });
@@ -302,15 +486,36 @@ const initScrollPosition = () => {
   });
 };
 
-const initPageState = (options = {}) => {
-  const config = getTrainingDifficultyModeConfig(options.mode);
-  const nodes = createDifficultyNodes(config);
-  const currentUnlockedId = resolveUnlockedDifficultyId(options, config, nodes);
+const normalizeRouteOptions = (options = {}) => {
+  const difficultyLevel = toNumber(options.difficulty);
+  const completedDifficultyLevel = toNumber(options.completedDifficulty);
 
-  modeKey.value = config.key;
+  return {
+    ...options,
+    difficultyId:
+      options.difficultyId ||
+      (difficultyLevel > 0 ? createDifficultyId(difficultyLevel) : ""),
+    completedDifficultyId:
+      options.completedDifficultyId ||
+      (completedDifficultyLevel > 0
+        ? createDifficultyId(completedDifficultyLevel)
+        : ""),
+  };
+};
+
+const applyPageState = (options = {}, config) => {
+  const safeOptions = normalizeRouteOptions(options);
+  const nodes = createDifficultyNodes(config);
+  const currentUnlockedId = resolveUnlockedDifficultyId(
+    safeOptions,
+    config,
+    nodes
+  );
+
+  pageConfig.value = config;
   unlockedDifficultyId.value = currentUnlockedId;
   selectedDifficultyId.value = resolveSelectedDifficultyId(
-    options.difficultyId,
+    safeOptions.difficultyId,
     nodes,
     currentUnlockedId
   );
@@ -320,6 +525,28 @@ const initPageState = (options = {}) => {
   });
 };
 
+const initPageState = async (options = {}) => {
+  const trainingType = resolveTrainingType(options.mode);
+  const fallbackConfig = createEmptyModeConfig(trainingType);
+
+  pageConfig.value = fallbackConfig;
+
+  try {
+    const result = await getTrainingDifficultyListAPI(trainingType);
+    applyPageState(
+      options,
+      normalizeTrainingDifficultyConfig(result, trainingType)
+    );
+  } catch (error) {
+    console.log("training difficulty load failed", error);
+    applyPageState(options, fallbackConfig);
+    uni.showToast({
+      title: "训练难度加载失败",
+      icon: "none",
+    });
+  }
+};
+
 const resolveTargetPaperType = (target) => {
   return Number(target) === 1 ? "20厘米全环靶" : "40厘米全环靶";
 };