diff --git a/src/modules/qqbot/plugins/bangdream/src/application/bangdream-command-context.ts b/src/modules/qqbot/plugins/bangdream/src/application/bangdream-command-context.ts
index 5e704ca..02b4a1d 100644
--- a/src/modules/qqbot/plugins/bangdream/src/application/bangdream-command-context.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/application/bangdream-command-context.ts
@@ -58,9 +58,9 @@ export class BangDreamCommandContext {
   }
 
   async checkHealth() {
-    await waitForBangDreamCatalogReady();
-    const data = bangdreamCatalogCache as { cards?: unknown; songs?: unknown };
-    if (!data.songs || !data.cards) {
+    await waitForBangDreamCatalogReady(['songs']);
+    const data = bangdreamCatalogCache as { songs?: unknown };
+    if (!data.songs) {
       throw new Error('BangDream 数据配置未加载');
     }
     fuzzySearch('夏祭り');
diff --git a/src/modules/qqbot/plugins/bangdream/src/application/catalog/bangdream-catalog-cache.ts b/src/modules/qqbot/plugins/bangdream/src/application/catalog/bangdream-catalog-cache.ts
index be4e66c..878e79f 100644
--- a/src/modules/qqbot/plugins/bangdream/src/application/catalog/bangdream-catalog-cache.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/application/catalog/bangdream-catalog-cache.ts
@@ -11,15 +11,16 @@ import {
   sleepBangDreamRuntime,
 } from '@/modules/qqbot/plugins/bangdream/src/infrastructure/integration/runtime-io';
 
-const bangdreamCatalogCache: Record<string, any> = {};
+export type BangDreamCatalogKey = keyof typeof bestdoriApiPath;
+
+const bangdreamCatalogCache: Record<string, any> = Object.fromEntries(
+  Object.keys(bestdoriApiPath).map((key) => [key, {}]),
+);
 const REQUIRED_CATALOG_KEYS = [
-  'cards',
-  'characters',
-  'events',
-  'gacha',
   'songs',
-];
+] as const satisfies readonly BangDreamCatalogKey[];
 const DEFAULT_CATALOG_READY_TIMEOUT_MS = 15000;
+const catalogLoadPromises = new Map<BangDreamCatalogKey, Promise<void>>();
 
 function getCatalogReadyTimeoutMs(): number {
   return normalizeBangDreamPositiveInteger(
@@ -28,8 +29,22 @@ function getCatalogReadyTimeoutMs(): number {
   );
 }
 
-function isCatalogReady(): boolean {
-  return REQUIRED_CATALOG_KEYS.every((key) => {
+function normalizeCatalogKeys(
+  keys: readonly BangDreamCatalogKey[] = REQUIRED_CATALOG_KEYS,
+): BangDreamCatalogKey[] {
+  return [...new Set(keys)].filter((key) => key in bestdoriApiPath);
+}
+
+function isCatalogKeyReady(key: BangDreamCatalogKey): boolean {
+  const collection = bangdreamCatalogCache[key];
+  if (!collection) return false;
+  return typeof collection === 'object'
+    ? Object.keys(collection).length > 0
+    : true;
+}
+
+function isCatalogReady(keys?: readonly BangDreamCatalogKey[]): boolean {
+  return normalizeCatalogKeys(keys).every((key) => {
     const collection = bangdreamCatalogCache[key];
     return collection && Object.keys(collection).length > 0;
   });
@@ -45,91 +60,126 @@ async function rejectAfter(ms: number): Promise<never> {
  *
  * @param useCache - use缓存参数，未传入时使用默认值。
  */
-async function loadCatalogData(useCache: boolean = false) {
+async function loadCatalogData(
+  keys?: readonly BangDreamCatalogKey[],
+  useCache: boolean = false,
+) {
+  const catalogKeys = normalizeCatalogKeys(keys);
   logger('catalog', 'loading catalog...');
-  const promiseAll = Object.keys(bestdoriApiPath).map(async (key) => {
-    if (useCache) {
-      return (bangdreamCatalogCache[key] =
-        await bangdreamBestdoriProvider.getJson(bestdoriApiPath[key], {
-          cacheTime: 1 / 0,
-        }));
-    } else {
-      try {
-        return (bangdreamCatalogCache[key] =
-          await bangdreamBestdoriProvider.getJson(bestdoriApiPath[key]));
-      } catch {
-        logger('catalog', `load ${key} failed`);
-      }
-    }
-  });
 
-  await Promise.all(promiseAll);
+  for (const key of catalogKeys) {
+    await loadCatalogKey(key, useCache);
+  }
 
-  const cardsCnFix =
-    await bangdreamStaticPatchProvider.readJson<Record<string, unknown>>(
-      'cards-cn-fix.json',
-    );
-  for (const key in cardsCnFix) {
-    bangdreamCatalogCache['cards'][key] = cardsCnFix[key];
-  }
-  const skillsCnFix =
-    await bangdreamStaticPatchProvider.readJson<Record<string, unknown>>(
-      'skills-cn-fix.json',
-    );
-  for (const key in skillsCnFix) {
-    bangdreamCatalogCache['skills'][key] = skillsCnFix[key];
-  }
-  const areaItemFix =
-    await bangdreamStaticPatchProvider.readJson<Record<string, unknown>>(
-      'area-item-fix.json',
-    );
-  for (const key in areaItemFix) {
-    if (bangdreamCatalogCache['areaItems'][key] == undefined) {
-      bangdreamCatalogCache['areaItems'][key] = areaItemFix[key];
-    }
-  }
-  try {
-    const songNickname = await bangdreamStaticPatchProvider.readExcelRows<{
-      Id: number;
-      Nickname: string;
-    }>('nickname-song.xlsx');
-    for (let i = 0; i < songNickname.length; i++) {
-      const element = songNickname[i];
-      if (bangdreamCatalogCache['songs'][element['Id'].toString()]) {
-        bangdreamCatalogCache['songs'][element['Id'].toString()]['nickname'] =
-          element['Nickname'];
-      }
-    }
-  } catch {
-    logger('catalog', '读取 nickname-song.xlsx 失败');
-  }
+  await applyStaticPatches(catalogKeys);
   logger('catalog', 'catalog loaded');
 }
 
-let initialLoadPromise: Promise<void> | undefined;
+async function loadCatalogKey(key: BangDreamCatalogKey, useCache: boolean) {
+  if (isCatalogKeyReady(key)) return;
+  const pending = catalogLoadPromises.get(key);
+  if (pending) return await pending;
 
-function ensureCatalogInitialLoad() {
-  if (!initialLoadPromise) {
-    logger('catalog', 'initializing...');
-    initialLoadPromise = loadCatalogData(true).then(() => {
-      logger('catalog', 'initializing done');
-    });
+  const promise = (async () => {
+    if (useCache) {
+      bangdreamCatalogCache[key] = await bangdreamBestdoriProvider.getJson(
+        bestdoriApiPath[key],
+        {
+          cacheTime: 1 / 0,
+        },
+      );
+      return;
+    }
+
+    try {
+      bangdreamCatalogCache[key] = await bangdreamBestdoriProvider.getJson(
+        bestdoriApiPath[key],
+      );
+    } catch {
+      logger('catalog', `load ${key} failed`);
+    }
+  })();
+  catalogLoadPromises.set(key, promise);
+  try {
+    await promise;
+  } finally {
+    catalogLoadPromises.delete(key);
   }
-  return initialLoadPromise;
+}
+
+async function applyStaticPatches(keys: readonly BangDreamCatalogKey[]) {
+  const keySet = new Set(keys);
+  if (keySet.has('cards')) {
+    const cardsCnFix =
+      await bangdreamStaticPatchProvider.readJson<Record<string, unknown>>(
+        'cards-cn-fix.json',
+      );
+    for (const key in cardsCnFix) {
+      bangdreamCatalogCache['cards'][key] = cardsCnFix[key];
+    }
+  }
+  if (keySet.has('skills')) {
+    const skillsCnFix =
+      await bangdreamStaticPatchProvider.readJson<Record<string, unknown>>(
+        'skills-cn-fix.json',
+      );
+    for (const key in skillsCnFix) {
+      bangdreamCatalogCache['skills'][key] = skillsCnFix[key];
+    }
+  }
+  if (keySet.has('areaItems')) {
+    const areaItemFix =
+      await bangdreamStaticPatchProvider.readJson<Record<string, unknown>>(
+        'area-item-fix.json',
+      );
+    for (const key in areaItemFix) {
+      if (bangdreamCatalogCache['areaItems'][key] == undefined) {
+        bangdreamCatalogCache['areaItems'][key] = areaItemFix[key];
+      }
+    }
+  }
+  if (keySet.has('songs')) {
+    try {
+      const songNickname = await bangdreamStaticPatchProvider.readExcelRows<{
+        Id: number;
+        Nickname: string;
+      }>('nickname-song.xlsx');
+      for (let i = 0; i < songNickname.length; i++) {
+        const element = songNickname[i];
+        if (bangdreamCatalogCache['songs'][element['Id'].toString()]) {
+          bangdreamCatalogCache['songs'][element['Id'].toString()]['nickname'] =
+            element['Nickname'];
+        }
+      }
+    } catch {
+      logger('catalog', '读取 nickname-song.xlsx 失败');
+    }
+  }
+}
+
+async function ensureCatalogInitialLoad(keys?: readonly BangDreamCatalogKey[]) {
+  const catalogKeys = normalizeCatalogKeys(keys);
+  if (isCatalogReady(catalogKeys)) return;
+  logger('catalog', 'initializing...');
+  await loadCatalogData(catalogKeys, true);
+  logger('catalog', 'initializing done');
 }
 
 /**
  * 等待 BangDream 目录数据完成首次加载。
  */
-export async function waitForBangDreamCatalogReady(): Promise<void> {
-  if (isCatalogReady()) {
+export async function waitForBangDreamCatalogReady(
+  keys?: readonly BangDreamCatalogKey[],
+): Promise<void> {
+  const catalogKeys = normalizeCatalogKeys(keys);
+  if (isCatalogReady(catalogKeys)) {
     return;
   }
   await Promise.race([
-    ensureCatalogInitialLoad(),
+    ensureCatalogInitialLoad(catalogKeys),
     rejectAfter(getCatalogReadyTimeoutMs()),
   ]);
-  if (!isCatalogReady()) {
+  if (!isCatalogReady(catalogKeys)) {
     throw new Error('BangDream 主数据未完成关键集合加载');
   }
 }
diff --git a/src/modules/qqbot/plugins/bangdream/src/index.ts b/src/modules/qqbot/plugins/bangdream/src/index.ts
index 72eb2a5..e3b2efe 100644
--- a/src/modules/qqbot/plugins/bangdream/src/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/index.ts
@@ -46,6 +46,7 @@ type BangDreamManifestOperation = {
 };
 
 type BangDreamResolvedOperation = BangDreamManifestOperation & {
+  catalogKeys?: BangDreamOperationModule['catalogKeys'];
   execute: BangDreamOperationModule['execute'];
 };
 
@@ -131,6 +132,7 @@ function resolveBangDreamOperations(operations: BangDreamManifestOperation[]) {
         operation.key,
         {
           ...operation,
+          catalogKeys: operationModule.catalogKeys,
           execute: operationModule.execute,
         },
       ] as const;
@@ -153,9 +155,6 @@ async function executeBangDreamOperation(options: {
   await options.lifecycle.beforeParse(operationContext);
 
   try {
-    operationContext.stage = 'catalog';
-    await waitForBangDreamCatalogReady();
-
     operationContext.stage = 'operation';
     const operation = options.operationsByKey.get(options.operationKey);
     if (!operation) {
@@ -164,6 +163,9 @@ async function executeBangDreamOperation(options: {
     operationContext.handlerName = operation.handlerName;
     await options.lifecycle.afterResolve(operationContext);
 
+    operationContext.stage = 'catalog';
+    await waitForBangDreamCatalogReady(operation.catalogKeys);
+
     operationContext.stage = 'handler';
     await options.lifecycle.beforeRender(operationContext);
     const output = await operation.execute(options.input, options.context);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/card-illustration/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/card-illustration/index.ts
index c9d9c16..b52c0b0 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/card-illustration/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/card-illustration/index.ts
@@ -1,7 +1,9 @@
 import { Card } from '@/modules/qqbot/plugins/bangdream/src/domain/card/card.model';
+import { BANGDREAM_CARD_ILLUSTRATION_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const cardIllustrationOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_CARD_ILLUSTRATION_CATALOG_KEYS,
   handlerName: 'getCardIllustration',
   execute: async (input, context) => {
     const cardId = context.requireNumber(
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/card-search/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/card-search/index.ts
index 19327f4..16ba252 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/card-search/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/card-search/index.ts
@@ -1,8 +1,10 @@
 import { drawCardDetail } from '@/modules/qqbot/plugins/bangdream/src/domain/card/card-detail.renderer';
 import { drawCardList } from '@/modules/qqbot/plugins/bangdream/src/domain/card/card-search.renderer';
+import { BANGDREAM_CARD_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const cardSearchOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_CARD_CATALOG_KEYS,
   handlerName: 'searchCard',
   execute: async (input, context) => {
     const query = context.requireText(input, '请提供卡牌关键词或卡牌 ID');
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/catalog-keys.ts b/src/modules/qqbot/plugins/bangdream/src/operations/catalog-keys.ts
new file mode 100644
index 0000000..b0bff87
--- /dev/null
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/catalog-keys.ts
@@ -0,0 +1,105 @@
+import type { BangDreamCatalogKey } from '@/modules/qqbot/plugins/bangdream/src/application/catalog/bangdream-catalog-cache';
+
+export const BANGDREAM_BAND_CATALOG_KEYS = [
+  'singer',
+  'bands',
+  'characters',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_SONG_CATALOG_KEYS = [
+  'songs',
+  'meta',
+  ...BANGDREAM_BAND_CATALOG_KEYS,
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_SONG_SEARCH_CATALOG_KEYS = [
+  ...BANGDREAM_SONG_CATALOG_KEYS,
+  'events',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_CARD_ILLUSTRATION_CATALOG_KEYS = [
+  'cards',
+  'skills',
+  'characters',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_CARD_CATALOG_KEYS = [
+  ...BANGDREAM_CARD_ILLUSTRATION_CATALOG_KEYS,
+  'singer',
+  'bands',
+  'events',
+  'gacha',
+  'costumes',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_CHARACTER_CATALOG_KEYS = [
+  'characters',
+  'singer',
+  'bands',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_EVENT_CATALOG_KEYS = [
+  'events',
+  'characters',
+  'singer',
+  'bands',
+  'cards',
+  'skills',
+  'gacha',
+  'songs',
+  'meta',
+  'degrees',
+  'deco',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_EVENT_STAGE_CATALOG_KEYS = [
+  'events',
+  'characters',
+  'songs',
+  'meta',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_GACHA_CATALOG_KEYS = [
+  'gacha',
+  'cards',
+  'skills',
+  'characters',
+  'singer',
+  'bands',
+  'events',
+  'items',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_GACHA_SIMULATE_CATALOG_KEYS = [
+  'gacha',
+  'cards',
+  'skills',
+  'characters',
+  'singer',
+  'bands',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_CUTOFF_BASE_CATALOG_KEYS = [
+  'events',
+  'characters',
+  'rates',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_CUTOFF_DETAIL_CATALOG_KEYS = [
+  ...BANGDREAM_CUTOFF_BASE_CATALOG_KEYS,
+  'cards',
+  'skills',
+  'singer',
+  'bands',
+  'degrees',
+] as const satisfies readonly BangDreamCatalogKey[];
+
+export const BANGDREAM_PLAYER_CATALOG_KEYS = [
+  'cards',
+  'skills',
+  'characters',
+  'singer',
+  'bands',
+  'degrees',
+  'areaItems',
+] as const satisfies readonly BangDreamCatalogKey[];
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/character-search/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/character-search/index.ts
index d932311..551a4da 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/character-search/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/character-search/index.ts
@@ -1,8 +1,10 @@
 import { drawCharacterDetail } from '@/modules/qqbot/plugins/bangdream/src/domain/character/character-detail.renderer';
 import { drawCharacterList } from '@/modules/qqbot/plugins/bangdream/src/domain/character/character-search.renderer';
+import { BANGDREAM_CHARACTER_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const characterSearchOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_CHARACTER_CATALOG_KEYS,
   handlerName: 'searchCharacter',
   execute: async (input, context) => {
     const query = context.requireText(input, '请提供角色关键词或角色 ID');
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-all/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-all/index.ts
index 9d33efc..c908212 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-all/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-all/index.ts
@@ -1,8 +1,10 @@
 import { drawCutoffAll } from '@/modules/qqbot/plugins/bangdream/src/domain/cutoff/cutoff-all.renderer';
 import { getPresentEvent } from '@/modules/qqbot/plugins/bangdream/src/domain/event/event.model';
+import { BANGDREAM_CUTOFF_BASE_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const cutoffAllOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_CUTOFF_BASE_CATALOG_KEYS,
   handlerName: 'getCutoffAll',
   execute: async (input, context) => {
     const tokens = context.getTokens(input);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-detail/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-detail/index.ts
index 872874c..a25a050 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-detail/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-detail/index.ts
@@ -1,6 +1,7 @@
 import { drawCutoffDetail } from '@/modules/qqbot/plugins/bangdream/src/domain/cutoff/cutoff-detail.renderer';
 import { drawCutoffEventTop } from '@/modules/qqbot/plugins/bangdream/src/domain/cutoff/cutoff-event-top.renderer';
 import { getPresentEvent } from '@/modules/qqbot/plugins/bangdream/src/domain/event/event.model';
+import { BANGDREAM_CUTOFF_DETAIL_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 const CUTOFF_DETAIL_COMMAND_ALIASES = new Set([
@@ -12,6 +13,7 @@ const CUTOFF_DETAIL_COMMAND_ALIASES = new Set([
 const DEFAULT_CUTOFF_DETAIL_TIER = 1000;
 
 export const cutoffDetailOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_CUTOFF_DETAIL_CATALOG_KEYS,
   handlerName: 'getCutoffDetail',
   execute: async (input, context) => {
     const tokens = context.getTokens(input);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-recent/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-recent/index.ts
index 8c7c512..780b6ef 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-recent/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/cutoff-recent/index.ts
@@ -1,8 +1,10 @@
 import { drawCutoffListOfRecentEvent } from '@/modules/qqbot/plugins/bangdream/src/domain/cutoff/cutoff-recent.renderer';
 import { getPresentEvent } from '@/modules/qqbot/plugins/bangdream/src/domain/event/event.model';
+import { BANGDREAM_CUTOFF_BASE_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const cutoffRecentOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_CUTOFF_BASE_CATALOG_KEYS,
   handlerName: 'getCutoffRecent',
   execute: async (input, context) => {
     const tokens = context.getTokens(input);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/event-search/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/event-search/index.ts
index 3fd10cf..b9f31a3 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/event-search/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/event-search/index.ts
@@ -1,8 +1,10 @@
 import { drawEventDetail } from '@/modules/qqbot/plugins/bangdream/src/domain/event/event-detail.renderer';
 import { drawEventList } from '@/modules/qqbot/plugins/bangdream/src/domain/event/event-search.renderer';
+import { BANGDREAM_EVENT_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const eventSearchOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_EVENT_CATALOG_KEYS,
   handlerName: 'searchEvent',
   execute: async (input, context) => {
     const query = context.requireText(input, '请提供活动关键词或活动 ID');
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/event-stage/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/event-stage/index.ts
index bf2b6a9..f1b730f 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/event-stage/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/event-stage/index.ts
@@ -1,8 +1,10 @@
 import { getPresentEvent } from '@/modules/qqbot/plugins/bangdream/src/domain/event/event.model';
 import { drawEventStage } from '@/modules/qqbot/plugins/bangdream/src/domain/event/event-stage.renderer';
+import { BANGDREAM_EVENT_STAGE_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const eventStageOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_EVENT_STAGE_CATALOG_KEYS,
   expectedImageCount: 5,
   handlerName: 'getEventStage',
   execute: async (input, context) => {
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/gacha-search/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/gacha-search/index.ts
index dfb940c..c5eca16 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/gacha-search/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/gacha-search/index.ts
@@ -1,7 +1,9 @@
 import { drawGachaDetail } from '@/modules/qqbot/plugins/bangdream/src/domain/gacha/gacha-detail.renderer';
+import { BANGDREAM_GACHA_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const gachaSearchOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_GACHA_CATALOG_KEYS,
   handlerName: 'searchGacha',
   execute: async (input, context) => {
     const gachaId = context.requireNumber(
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/gacha-simulate/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/gacha-simulate/index.ts
index c4dc698..28fd405 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/gacha-simulate/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/gacha-simulate/index.ts
@@ -7,9 +7,11 @@ import {
   BANGDREAM_GACHA_DEFAULT_SPIN_COUNT,
   isBirthdayGachaType,
 } from '@/modules/qqbot/plugins/bangdream/src/domain/policy/gacha.policy';
+import { BANGDREAM_GACHA_SIMULATE_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const gachaSimulateOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_GACHA_SIMULATE_CATALOG_KEYS,
   handlerName: 'simulateGacha',
   execute: async (input, context) => {
     const tokens = context.getTokens(input);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/operation.ts b/src/modules/qqbot/plugins/bangdream/src/operations/operation.ts
index 2d9eb84..720449e 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/operation.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/operation.ts
@@ -4,6 +4,7 @@ import type {
   BangDreamCommandOutput,
   BangDreamOperationHandlerName,
 } from '@/modules/qqbot/plugins/bangdream/src/domain/common/bangdream.types';
+import type { BangDreamCatalogKey } from '@/modules/qqbot/plugins/bangdream/src/application/catalog/bangdream-catalog-cache';
 
 export type BangDreamOperationExecute = (
   input: BangDreamCommandInput,
@@ -11,6 +12,7 @@ export type BangDreamOperationExecute = (
 ) => Promise<BangDreamCommandOutput>;
 
 export type BangDreamOperationModule = {
+  catalogKeys?: readonly BangDreamCatalogKey[];
   execute: BangDreamOperationExecute;
   expectedImageCount?: number;
   handlerName: BangDreamOperationHandlerName;
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/player-search/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/player-search/index.ts
index 4709847..cfa0bbe 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/player-search/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/player-search/index.ts
@@ -1,7 +1,9 @@
 import { drawPlayerDetail } from '@/modules/qqbot/plugins/bangdream/src/domain/player/player-detail.renderer';
+import { BANGDREAM_PLAYER_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const playerSearchOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_PLAYER_CATALOG_KEYS,
   handlerName: 'searchPlayer',
   execute: async (input, context) => {
     const tokens = context.getTokens(input);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/song-chart/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/song-chart/index.ts
index 3ff9edb..b7e9c7c 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/song-chart/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/song-chart/index.ts
@@ -1,7 +1,9 @@
 import { drawSongChart } from '@/modules/qqbot/plugins/bangdream/src/domain/song/song-chart.renderer';
+import { BANGDREAM_SONG_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const songChartOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_SONG_CATALOG_KEYS,
   handlerName: 'getSongChart',
   execute: async (input, context) => {
     const tokens = context.getTokens(input);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/song-meta/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/song-meta/index.ts
index 60efe5f..4c6475e 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/song-meta/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/song-meta/index.ts
@@ -1,8 +1,10 @@
 import { Server } from '@/modules/qqbot/plugins/bangdream/src/domain/catalog/server.model';
 import { drawSongMetaList } from '@/modules/qqbot/plugins/bangdream/src/domain/song/song-meta.renderer';
+import { BANGDREAM_SONG_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const songMetaOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_SONG_CATALOG_KEYS,
   handlerName: 'getSongMeta',
   execute: async (input, context) => {
     const mainServer = context.pickMainServer(input, context.getTokens(input));
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/song-random/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/song-random/index.ts
index cdb0662..7f11dca 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/song-random/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/song-random/index.ts
@@ -1,9 +1,11 @@
 import { Server } from '@/modules/qqbot/plugins/bangdream/src/domain/catalog/server.model';
 import { fuzzySearch } from '@/modules/qqbot/plugins/bangdream/src/domain/search/fuzzy-search';
 import { drawSongRandom } from '@/modules/qqbot/plugins/bangdream/src/domain/song/song-random.renderer';
+import { BANGDREAM_SONG_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const songRandomOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_SONG_CATALOG_KEYS,
   handlerName: 'randomSong',
   execute: async (input, context) => {
     const query = context.pickText(input);
diff --git a/src/modules/qqbot/plugins/bangdream/src/operations/song-search/index.ts b/src/modules/qqbot/plugins/bangdream/src/operations/song-search/index.ts
index ddbc93f..1f27fe8 100644
--- a/src/modules/qqbot/plugins/bangdream/src/operations/song-search/index.ts
+++ b/src/modules/qqbot/plugins/bangdream/src/operations/song-search/index.ts
@@ -1,9 +1,11 @@
 import { Song } from '@/modules/qqbot/plugins/bangdream/src/domain/song/song.model';
 import { drawSongDetail } from '@/modules/qqbot/plugins/bangdream/src/domain/song/song-detail.renderer';
 import { drawSongList } from '@/modules/qqbot/plugins/bangdream/src/domain/song/song-search.renderer';
+import { BANGDREAM_SONG_SEARCH_CATALOG_KEYS } from '@/modules/qqbot/plugins/bangdream/src/operations/catalog-keys';
 import type { BangDreamOperationModule } from '@/modules/qqbot/plugins/bangdream/src/operations/operation';
 
 export const songSearchOperation: BangDreamOperationModule = {
+  catalogKeys: BANGDREAM_SONG_SEARCH_CATALOG_KEYS,
   handlerName: 'searchSong',
   execute: async (input, context) => {
     const query = context.requireText(input, '请提供歌曲名或歌曲 ID');
diff --git a/test/qqbot/plugins/bangdream/application/bangdream-operation-catalog-keys.spec.ts b/test/qqbot/plugins/bangdream/application/bangdream-operation-catalog-keys.spec.ts
new file mode 100644
index 0000000..5914308
--- /dev/null
+++ b/test/qqbot/plugins/bangdream/application/bangdream-operation-catalog-keys.spec.ts
@@ -0,0 +1,129 @@
+import { getBangDreamOperationsByHandlerName } from '@/modules/qqbot/plugins/bangdream/src/operations';
+
+describe('BangDream operation catalog keys', () => {
+  it('declares the catalog keys required by each operation', () => {
+    const operations = getBangDreamOperationsByHandlerName();
+
+    expectCatalogKeys(operations.get('searchSong')?.catalogKeys, [
+      'songs',
+      'meta',
+      'singer',
+      'bands',
+      'characters',
+      'events',
+    ]);
+    expectCatalogKeys(operations.get('getSongChart')?.catalogKeys, [
+      'songs',
+      'meta',
+      'singer',
+      'bands',
+      'characters',
+    ]);
+    expectCatalogKeys(operations.get('randomSong')?.catalogKeys, [
+      'songs',
+      'meta',
+      'singer',
+      'bands',
+      'characters',
+    ]);
+    expectCatalogKeys(operations.get('getSongMeta')?.catalogKeys, [
+      'songs',
+      'meta',
+      'singer',
+      'bands',
+      'characters',
+    ]);
+    expectCatalogKeys(operations.get('searchCard')?.catalogKeys, [
+      'cards',
+      'skills',
+      'characters',
+      'singer',
+      'bands',
+      'events',
+      'gacha',
+      'costumes',
+    ]);
+    expectCatalogKeys(operations.get('getCardIllustration')?.catalogKeys, [
+      'cards',
+      'skills',
+      'characters',
+    ]);
+    expectCatalogKeys(operations.get('searchCharacter')?.catalogKeys, [
+      'characters',
+      'singer',
+      'bands',
+    ]);
+    expectCatalogKeys(operations.get('searchEvent')?.catalogKeys, [
+      'events',
+      'characters',
+      'singer',
+      'bands',
+      'cards',
+      'skills',
+      'gacha',
+      'songs',
+      'meta',
+      'degrees',
+      'deco',
+    ]);
+    expectCatalogKeys(operations.get('getEventStage')?.catalogKeys, [
+      'events',
+      'characters',
+      'songs',
+      'meta',
+    ]);
+    expectCatalogKeys(operations.get('searchPlayer')?.catalogKeys, [
+      'cards',
+      'skills',
+      'characters',
+      'singer',
+      'bands',
+      'degrees',
+      'areaItems',
+    ]);
+    expectCatalogKeys(operations.get('searchGacha')?.catalogKeys, [
+      'gacha',
+      'cards',
+      'skills',
+      'characters',
+      'singer',
+      'bands',
+      'events',
+      'items',
+    ]);
+    expectCatalogKeys(operations.get('simulateGacha')?.catalogKeys, [
+      'gacha',
+      'cards',
+      'skills',
+      'characters',
+      'singer',
+      'bands',
+    ]);
+    expectCatalogKeys(operations.get('getCutoffDetail')?.catalogKeys, [
+      'events',
+      'characters',
+      'rates',
+      'cards',
+      'skills',
+      'singer',
+      'bands',
+      'degrees',
+    ]);
+    expectCatalogKeys(operations.get('getCutoffAll')?.catalogKeys, [
+      'events',
+      'characters',
+      'rates',
+    ]);
+    expectCatalogKeys(operations.get('getCutoffRecent')?.catalogKeys, [
+      'events',
+      'characters',
+      'rates',
+    ]);
+
+    expect(operations.size).toBe(15);
+  });
+});
+
+function expectCatalogKeys(actual: readonly string[] | undefined, keys: string[]) {
+  expect(actual).toEqual(keys);
+}
diff --git a/test/qqbot/plugins/bangdream/application/bangdream-package-entry.spec.ts b/test/qqbot/plugins/bangdream/application/bangdream-package-entry.spec.ts
index c6c9706..8e4c205 100644
--- a/test/qqbot/plugins/bangdream/application/bangdream-package-entry.spec.ts
+++ b/test/qqbot/plugins/bangdream/application/bangdream-package-entry.spec.ts
@@ -51,6 +51,17 @@ jest.mock('@/modules/qqbot/plugins/bangdream/src/operations', () => ({
         return [
           handlerName,
           {
+            catalogKeys:
+              key === 'bangdream.song.search'
+                ? [
+                    'songs',
+                    'meta',
+                    'singer',
+                    'bands',
+                    'characters',
+                    'events',
+                  ]
+                : undefined,
             execute,
             handlerName,
           },
@@ -109,7 +120,14 @@ describe('BangDream package entry', () => {
     });
 
     expect(mockContext.refreshDictionaryCache).toHaveBeenCalledTimes(1);
-    expect(waitForBangDreamCatalogReady).toHaveBeenCalledTimes(1);
+    expect(waitForBangDreamCatalogReady).toHaveBeenCalledWith([
+      'songs',
+      'meta',
+      'singer',
+      'bands',
+      'characters',
+      'events',
+    ]);
     expect(songSearch).toHaveBeenCalledWith(
       { text: '夏祭り' },
       mockContext,
diff --git a/test/qqbot/plugins/bangdream/catalog/catalog-cache-partial.spec.ts b/test/qqbot/plugins/bangdream/catalog/catalog-cache-partial.spec.ts
new file mode 100644
index 0000000..cd732bd
--- /dev/null
+++ b/test/qqbot/plugins/bangdream/catalog/catalog-cache-partial.spec.ts
@@ -0,0 +1,63 @@
+describe('BangDream catalog cache partial loading', () => {
+  it('loads only requested catalog keys and their matching static patches', async () => {
+    const getJson = jest.fn<
+      Promise<Record<string, { path: string }>>,
+      [string, { cacheTime?: number }?]
+    >(async (path) => ({
+      1: { path },
+    }));
+    const readJson = jest.fn(async () => ({}));
+    const readExcelRows = jest.fn(async () => []);
+
+    jest.resetModules();
+    jest.doMock(
+      '@/modules/qqbot/plugins/bangdream/src/infrastructure/integration/bestdori.provider',
+      () => ({
+        bangdreamBestdoriProvider: {
+          getJson,
+        },
+      }),
+    );
+    jest.doMock(
+      '@/modules/qqbot/plugins/bangdream/src/infrastructure/storage/static-patch.provider',
+      () => ({
+        bangdreamStaticPatchProvider: {
+          readExcelRows,
+          readJson,
+        },
+      }),
+    );
+    jest.doMock(
+      '@/modules/qqbot/plugins/bangdream/src/application/bangdream-logger',
+      () => ({
+        logger: jest.fn(),
+      }),
+    );
+    jest.doMock(
+      '@/modules/qqbot/plugins/bangdream/src/infrastructure/integration/runtime-io',
+      () => ({
+        readBangDreamRuntimeConfig: jest.fn(() => undefined),
+        sleepBangDreamRuntime: jest.fn(() => new Promise(() => undefined)),
+      }),
+    );
+
+    const { BANGDREAM_BESTDORI_API_PATHS } = await import(
+      '@/modules/qqbot/plugins/bangdream/src/domain/common/bangdream-protocol'
+    );
+    const { waitForBangDreamCatalogReady } = await import(
+      '@/modules/qqbot/plugins/bangdream/src/application/catalog/bangdream-catalog-cache'
+    );
+
+    await waitForBangDreamCatalogReady(['songs', 'meta']);
+
+    expect(getJson).toHaveBeenCalledTimes(2);
+    expect(getJson.mock.calls.map(([path]) => path).sort()).toEqual(
+      [
+        BANGDREAM_BESTDORI_API_PATHS.meta,
+        BANGDREAM_BESTDORI_API_PATHS.songs,
+      ].sort(),
+    );
+    expect(readJson).not.toHaveBeenCalled();
+    expect(readExcelRows).toHaveBeenCalledTimes(1);
+  });
+});
diff --git a/test/qqbot/plugins/bangdream/catalog/catalog-cache.spec.ts b/test/qqbot/plugins/bangdream/catalog/catalog-cache.spec.ts
index cd0aac0..8ab0a97 100644
--- a/test/qqbot/plugins/bangdream/catalog/catalog-cache.spec.ts
+++ b/test/qqbot/plugins/bangdream/catalog/catalog-cache.spec.ts
@@ -51,9 +51,13 @@ describe('BangDream catalog cache', () => {
   });
 
   it('loads each Bestdori catalog path only once during the initial ready wait', async () => {
-    await waitForBangDreamCatalogReady!();
-
     const catalogPaths = Object.values(BANGDREAM_BESTDORI_API_PATHS);
+    await waitForBangDreamCatalogReady(
+      Object.keys(BANGDREAM_BESTDORI_API_PATHS) as Array<
+        keyof typeof BANGDREAM_BESTDORI_API_PATHS
+      >,
+    );
+
     expect(mockGetJson).toHaveBeenCalledTimes(catalogPaths.length);
     expect(mockGetJson.mock.calls.map(([path]) => path).sort()).toEqual(
       [...catalogPaths].sort(),
@@ -66,4 +70,5 @@ describe('BangDream catalog cache', () => {
     expect(mockReadJson).toHaveBeenCalledTimes(3);
     expect(mockReadExcelRows).toHaveBeenCalledTimes(1);
   });
+
 });