diff --git a/src/modules/qqbot/plugin-platform/application/plugin-platform.service.ts b/src/modules/qqbot/plugin-platform/application/plugin-platform.service.ts
index 15fe432..8d96797 100644
--- a/src/modules/qqbot/plugin-platform/application/plugin-platform.service.ts
+++ b/src/modules/qqbot/plugin-platform/application/plugin-platform.service.ts
@@ -1,4 +1,10 @@
-import { Inject, Injectable, OnModuleInit, Optional } from '@nestjs/common';
+import {
+  forwardRef,
+  Inject,
+  Injectable,
+  OnModuleInit,
+  Optional,
+} from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Between, LessThanOrEqual, MoreThanOrEqual, Repository } from 'typeorm';
 import { throwVbenError } from '@/common';
@@ -162,6 +168,7 @@ export class QqbotPluginPlatformService
     @Optional()
     private readonly packageReader?: QqbotPluginPackageReaderService,
     @Optional()
+    @Inject(forwardRef(() => QqbotBuiltinPluginPackageLoaderService))
     private readonly builtinPluginLoader?: QqbotBuiltinPluginPackageLoaderService,
     @Optional()
     private readonly taskSynchronizer?: QqbotPluginTaskManifestSynchronizer,
diff --git a/src/modules/qqbot/plugin-platform/application/registry/qqbot-event-plugin-registry.service.ts b/src/modules/qqbot/plugin-platform/application/registry/qqbot-event-plugin-registry.service.ts
index 87f4f4c..4c2e68e 100644
--- a/src/modules/qqbot/plugin-platform/application/registry/qqbot-event-plugin-registry.service.ts
+++ b/src/modules/qqbot/plugin-platform/application/registry/qqbot-event-plugin-registry.service.ts
@@ -1,4 +1,10 @@
-import { Injectable, OnModuleInit, Optional } from '@nestjs/common';
+import {
+  forwardRef,
+  Inject,
+  Injectable,
+  OnModuleInit,
+  Optional,
+} from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { formatKtDateTime, throwVbenError } from '@/common';
@@ -26,6 +32,7 @@ export class QqbotEventPluginRegistryService implements OnModuleInit {
 
   constructor(
     private readonly accountService: QqbotAccountService,
+    @Inject(forwardRef(() => QqbotBuiltinPluginPackageLoaderService))
     private readonly builtinPluginLoader: QqbotBuiltinPluginPackageLoaderService,
     @Optional()
     @InjectRepository(QqbotPlugin)
diff --git a/src/modules/qqbot/plugin-platform/application/registry/qqbot-plugin-registry.service.ts b/src/modules/qqbot/plugin-platform/application/registry/qqbot-plugin-registry.service.ts
index b595382..9a7b4d2 100644
--- a/src/modules/qqbot/plugin-platform/application/registry/qqbot-plugin-registry.service.ts
+++ b/src/modules/qqbot/plugin-platform/application/registry/qqbot-plugin-registry.service.ts
@@ -1,4 +1,10 @@
-import { Injectable, OnModuleInit, Optional } from '@nestjs/common';
+import {
+  forwardRef,
+  Inject,
+  Injectable,
+  OnModuleInit,
+  Optional,
+} from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { formatKtDateTime, throwVbenError } from '@/common';
@@ -24,6 +30,7 @@ export class QqbotPluginRegistryService implements OnModuleInit {
 
   constructor(
     @Optional()
+    @Inject(forwardRef(() => QqbotBuiltinPluginPackageLoaderService))
     private readonly builtinPluginLoader?: QqbotBuiltinPluginPackageLoaderService,
     @Optional()
     @InjectRepository(QqbotPlugin)
diff --git a/test/modules/qqbot/plugin-platform/plugin-platform-di.spec.ts b/test/modules/qqbot/plugin-platform/plugin-platform-di.spec.ts
new file mode 100644
index 0000000..828f94e
--- /dev/null
+++ b/test/modules/qqbot/plugin-platform/plugin-platform-di.spec.ts
@@ -0,0 +1,59 @@
+import 'reflect-metadata';
+import { SELF_DECLARED_DEPS_METADATA } from '@nestjs/common/constants';
+
+type DependencyMetadata = {
+  index: number;
+  param: unknown;
+};
+
+const unwrapForwardRef = (token: unknown) => {
+  if (
+    token &&
+    typeof token === 'object' &&
+    'forwardRef' in token &&
+    typeof token.forwardRef === 'function'
+  ) {
+    return token.forwardRef();
+  }
+  return token;
+};
+
+const resolveConstructorToken = (target: unknown, index: number) => {
+  const explicitDependencies = (Reflect.getMetadata(
+    SELF_DECLARED_DEPS_METADATA,
+    target,
+  ) || []) as DependencyMetadata[];
+  const explicitToken = explicitDependencies.find(
+    (dependency) => dependency.index === index,
+  )?.param;
+  if (explicitToken) return unwrapForwardRef(explicitToken);
+
+  const designTypes =
+    (Reflect.getMetadata('design:paramtypes', target) as unknown[]) || [];
+  return unwrapForwardRef(designTypes[index]);
+};
+
+describe('QQBot plugin platform DI tokens', () => {
+  beforeEach(() => {
+    jest.resetModules();
+  });
+
+  it('keeps the built-in plugin loader injection token stable across require order', async () => {
+    const { QqbotBuiltinPluginPackageLoaderService } = await import(
+      '../../../../src/modules/qqbot/plugin-platform/infrastructure/integration/package/builtin-plugin-package-loader.service'
+    );
+    const { QqbotPluginRegistryService } = await import(
+      '../../../../src/modules/qqbot/plugin-platform/application/registry/qqbot-plugin-registry.service'
+    );
+    const { QqbotPluginPlatformService } = await import(
+      '../../../../src/modules/qqbot/plugin-platform/application/plugin-platform.service'
+    );
+
+    expect(resolveConstructorToken(QqbotPluginRegistryService, 0)).toBe(
+      QqbotBuiltinPluginPackageLoaderService,
+    );
+    expect(resolveConstructorToken(QqbotPluginPlatformService, 14)).toBe(
+      QqbotBuiltinPluginPackageLoaderService,
+    );
+  });
+});