diff --git a/src/lib/core/resource/discovery/PackageDiscovery.js b/src/lib/core/resource/discovery/PackageDiscovery.js
index b1c689a..5d5b920 100644
--- a/src/lib/core/resource/discovery/PackageDiscovery.js
+++ b/src/lib/core/resource/discovery/PackageDiscovery.js
@@ -86,13 +86,20 @@ class PackageDiscovery extends BaseDiscovery {
    */
   async _loadStaticRegistry() {
     const packageRoot = await this._findPackageRoot()
-    const registryPath = path.join(packageRoot, 'src', 'resource.registry.json')
-
-    if (!await fs.pathExists(registryPath)) {
-      throw new Error('Static registry file not found')
+    
+    // 尝试主要路径：src/resource.registry.json
+    const primaryPath = path.join(packageRoot, 'src', 'resource.registry.json')
+    if (await fs.pathExists(primaryPath)) {
+      return await fs.readJSON(primaryPath)
     }
 
-    return await fs.readJSON(registryPath)
+    // 尝试后备路径：resource.registry.json
+    const alternativePath = path.join(packageRoot, 'resource.registry.json')
+    if (await fs.pathExists(alternativePath)) {
+      return await fs.readJSON(alternativePath)
+    }
+
+    throw new Error('Static registry file not found')
   }
 
   /**
@@ -146,6 +153,86 @@ class PackageDiscovery extends BaseDiscovery {
     return await this.fileScanner.scanResourceFiles(baseDir, resourceType)
   }
 
+  /**
+   * 检测执行环境类型
+   * @returns {Promise<string>} 环境类型：development, npx, local, unknown
+   */
+  async _detectExecutionEnvironment() {
+    // 1. 检查是否在开发环境
+    if (await this._isDevelopmentMode()) {
+      return 'development'
+    }
+
+    // 2. 检查是否通过npx执行
+    if (this._isNpxExecution()) {
+      return 'npx'
+    }
+
+    // 3. 检查是否在node_modules中安装
+    if (this._isLocalInstallation()) {
+      return 'local'
+    }
+
+    return 'unknown'
+  }
+
+  /**
+   * 检查是否在开发模式
+   * @returns {Promise<boolean>} 是否为开发模式
+   */
+  async _isDevelopmentMode() {
+    const cwd = process.cwd()
+    const hasCliScript = await fs.pathExists(path.join(cwd, 'src', 'bin', 'promptx.js'))
+    const hasPackageJson = await fs.pathExists(path.join(cwd, 'package.json'))
+    
+    if (!hasCliScript || !hasPackageJson) {
+      return false
+    }
+
+    try {
+      const packageJson = await fs.readJSON(path.join(cwd, 'package.json'))
+      return packageJson.name === 'dpml-prompt'
+    } catch (error) {
+      return false
+    }
+  }
+
+  /**
+   * 检查是否通过npx执行
+   * @returns {boolean} 是否为npx执行
+   */
+  _isNpxExecution() {
+    // 检查环境变量
+    if (process.env.npm_execpath && process.env.npm_execpath.includes('npx')) {
+      return true
+    }
+
+    // 检查目录路径（npx缓存目录）
+    const currentDir = this._getCurrentDirectory()
+    if (currentDir.includes('.npm/_npx/') || currentDir.includes('_npx')) {
+      return true
+    }
+
+    return false
+  }
+
+  /**
+   * 检查是否在本地安装
+   * @returns {boolean} 是否为本地安装
+   */
+  _isLocalInstallation() {
+    const currentDir = this._getCurrentDirectory()
+    return currentDir.includes('node_modules/dpml-prompt')
+  }
+
+  /**
+   * 获取当前目录（可以被测试mock）
+   * @returns {string} 当前目录路径
+   */
+  _getCurrentDirectory() {
+    return __dirname
+  }
+
   /**
    * 查找包根目录
    * @returns {Promise<string>} 包根目录路径
@@ -157,9 +244,23 @@ class PackageDiscovery extends BaseDiscovery {
       return cached
     }
 
-    const packageRoot = await this._findPackageJsonWithPrompt()
+    const environment = await this._detectExecutionEnvironment()
+    let packageRoot = null
+
+    switch (environment) {
+      case 'development':
+        packageRoot = await this._findDevelopmentRoot()
+        break
+      case 'npx':
+      case 'local':
+        packageRoot = await this._findInstalledRoot()
+        break
+      default:
+        packageRoot = await this._findFallbackRoot()
+    }
+
     if (!packageRoot) {
-      throw new Error('Package root with prompt directory not found')
+      throw new Error('Package root not found')
     }
 
     this.setCache(cacheKey, packageRoot)
@@ -167,40 +268,77 @@ class PackageDiscovery extends BaseDiscovery {
   }
 
   /**
-   * 查找包含prompt目录的package.json
+   * 查找开发环境的包根目录
    * @returns {Promise<string|null>} 包根目录路径或null
    */
-  async _findPackageJsonWithPrompt() {
-    let currentDir = __dirname
+  async _findDevelopmentRoot() {
+    const cwd = process.cwd()
+    const hasPackageJson = await fs.pathExists(path.join(cwd, 'package.json'))
+    const hasPromptDir = await fs.pathExists(path.join(cwd, 'prompt'))
 
-    while (currentDir !== path.parse(currentDir).root) {
-      const packageJsonPath = path.join(currentDir, 'package.json')
-      const promptDirPath = path.join(currentDir, 'prompt')
+    if (!hasPackageJson || !hasPromptDir) {
+      return null
+    }
 
-      // 检查是否同时存在package.json和prompt目录
-      const [hasPackageJson, hasPromptDir] = await Promise.all([
-        fs.pathExists(packageJsonPath),
-        fs.pathExists(promptDirPath)
-      ])
-
-      if (hasPackageJson && hasPromptDir) {
-        // 验证是否是PromptX包
-        try {
-          const packageJson = await fs.readJSON(packageJsonPath)
-          if (packageJson.name === 'promptx' || packageJson.name === 'dpml-prompt') {
-            return currentDir
-          }
-        } catch (error) {
-          // 忽略package.json读取错误
-        }
+    try {
+      const packageJson = await fs.readJSON(path.join(cwd, 'package.json'))
+      if (packageJson.name === 'dpml-prompt') {
+        return fs.realpathSync(cwd) // 解析符号链接
       }
-
-      currentDir = path.dirname(currentDir)
+    } catch (error) {
+      // Ignore JSON parsing errors
     }
 
     return null
   }
 
+  /**
+   * 查找已安装包的根目录
+   * @returns {Promise<string|null>} 包根目录路径或null
+   */
+  async _findInstalledRoot() {
+    try {
+      const currentDir = this._getCurrentDirectory()
+      let searchDir = currentDir
+      
+      // 向上查找package.json
+      while (searchDir !== path.parse(searchDir).root) {
+        const packageJsonPath = path.join(searchDir, 'package.json')
+        
+        if (await fs.pathExists(packageJsonPath)) {
+          const packageJson = await fs.readJSON(packageJsonPath)
+          
+          if (packageJson.name === 'dpml-prompt') {
+            return searchDir
+          }
+        }
+        
+        searchDir = path.dirname(searchDir)
+      }
+    } catch (error) {
+      // Ignore errors
+    }
+
+    return null
+  }
+
+  /**
+   * 后备方案：使用模块解析查找包根目录
+   * @returns {Promise<string|null>} 包根目录路径或null
+   */
+  async _findFallbackRoot() {
+    try {
+      const resolve = require('resolve')
+      const packageJsonPath = resolve.sync('dpml-prompt/package.json', {
+        basedir: process.cwd()
+      })
+      return path.dirname(packageJsonPath)
+    } catch (error) {
+      return null
+    }
+  }
+
+
   /**
    * 生成包引用路径
    * @param {string} filePath - 文件绝对路径
diff --git a/src/tests/core/resource/ResourceDiscovery.unit.test.js b/src/tests/core/resource/ResourceDiscovery.unit.test.js
index 42c9e42..b638a31 100644
--- a/src/tests/core/resource/ResourceDiscovery.unit.test.js
+++ b/src/tests/core/resource/ResourceDiscovery.unit.test.js
@@ -269,7 +269,7 @@ describe('ResourceDiscovery', () => {
       const discovered = await discovery.discoverResources(scanPaths.filter(Boolean))
 
       // Should only call glob for valid paths
-      expect(glob).toHaveBeenCalledTimes(6) // 2 valid paths × 3 resource types
+      expect(glob).toHaveBeenCalledTimes(8) // 2 valid paths × 4 resource types (role, execution, thought, knowledge)
     })
   })
 
diff --git a/src/tests/core/resource/ResourceManager.unit.test.js b/src/tests/core/resource/ResourceManager.unit.test.js
index 8103f03..86fad64 100644
--- a/src/tests/core/resource/ResourceManager.unit.test.js
+++ b/src/tests/core/resource/ResourceManager.unit.test.js
@@ -114,6 +114,7 @@ describe('ResourceManager - Unit Tests', () => {
       const result = await manager.loadResource('java-backend-developer')
 
       expect(result).toEqual({
+        success: true,
         content: mockContent,
         path: '/resolved/path/java.role.md',
         reference: '@package://prompt/domain/java-backend-developer/java-backend-developer.role.md'
@@ -144,15 +145,17 @@ describe('ResourceManager - Unit Tests', () => {
     })
 
     test('应该处理资源未找到错误', async () => {
-      await expect(manager.loadResource('non-existent-role'))
-        .rejects.toThrow("Resource 'non-existent-role' not found")
+      const result = await manager.loadResource('non-existent-role')
+      expect(result.success).toBe(false)
+      expect(result.message).toBe("Resource 'non-existent-role' not found")
     })
 
     test('应该处理协议解析失败', async () => {
       jest.spyOn(manager.resolver, 'resolve').mockRejectedValue(new Error('Protocol resolution failed'))
 
-      await expect(manager.loadResource('java-backend-developer'))
-        .rejects.toThrow('Protocol resolution failed')
+      const result = await manager.loadResource('java-backend-developer')
+      expect(result.success).toBe(false)
+      expect(result.message).toBe('Protocol resolution failed')
     })
 
     test('应该处理文件读取失败', async () => {
@@ -161,8 +164,9 @@ describe('ResourceManager - Unit Tests', () => {
         throw new Error('File not found')
       })
 
-      await expect(manager.loadResource('java-backend-developer'))
-        .rejects.toThrow('File not found')
+      const result = await manager.loadResource('java-backend-developer')
+      expect(result.success).toBe(false)
+      expect(result.message).toBe('File not found')
     })
   })
 
diff --git a/src/tests/core/resource/discovery/PackageDiscovery.environment.integration.test.js b/src/tests/core/resource/discovery/PackageDiscovery.environment.integration.test.js
new file mode 100644
index 0000000..4daeafd
--- /dev/null
+++ b/src/tests/core/resource/discovery/PackageDiscovery.environment.integration.test.js
@@ -0,0 +1,299 @@
+const PackageDiscovery = require('../../../../lib/core/resource/discovery/PackageDiscovery')
+const fs = require('fs-extra')
+const path = require('path')
+const tmp = require('tmp')
+
+describe('PackageDiscovery Environment Detection Integration', () => {
+  let discovery
+  let originalCwd
+  let originalEnv
+  let originalExecPath
+
+  beforeEach(() => {
+    discovery = new PackageDiscovery()
+    originalCwd = process.cwd()
+    originalEnv = process.env.NODE_ENV
+    originalExecPath = process.env.npm_execpath
+  })
+
+  afterEach(() => {
+    process.chdir(originalCwd)
+    process.env.NODE_ENV = originalEnv
+    process.env.npm_execpath = originalExecPath
+  })
+
+  describe('Environment Detection', () => {
+    test('should detect development environment', async () => {
+      // Mock development environment indicators
+      jest.spyOn(fs, 'pathExists')
+        .mockResolvedValueOnce(true) // src/bin/promptx.js exists
+        .mockResolvedValueOnce(true) // package.json exists
+
+      jest.spyOn(fs, 'readJSON').mockResolvedValue({
+        name: 'dpml-prompt'
+      })
+
+      const environment = await discovery._detectExecutionEnvironment()
+      expect(environment).toBe('development')
+    })
+
+    test('should detect npx execution via environment variable', async () => {
+      process.env.npm_execpath = '/usr/local/bin/npx'
+      
+      // Mock non-development environment
+      jest.spyOn(fs, 'pathExists').mockResolvedValue(false)
+
+      const environment = await discovery._detectExecutionEnvironment()
+      expect(environment).toBe('npx')
+    })
+
+    test('should detect npx execution via directory path', async () => {
+      // Mock _getCurrentDirectory to simulate npx cache directory
+      jest.spyOn(discovery, '_getCurrentDirectory').mockReturnValue('/home/user/.npm/_npx/abc123/node_modules/dpml-prompt')
+      jest.spyOn(fs, 'pathExists').mockResolvedValue(false)
+
+      const environment = await discovery._detectExecutionEnvironment()
+      expect(environment).toBe('npx')
+    })
+
+    test('should detect local installation', async () => {
+      // Mock _getCurrentDirectory to simulate node_modules installation
+      jest.spyOn(discovery, '_getCurrentDirectory').mockReturnValue('/project/node_modules/dpml-prompt/src/lib/core/resource/discovery')
+      jest.spyOn(fs, 'pathExists').mockResolvedValue(false)
+
+      const environment = await discovery._detectExecutionEnvironment()
+      expect(environment).toBe('local')
+    })
+
+    test('should return unknown for unrecognized environment', async () => {
+      jest.spyOn(fs, 'pathExists').mockResolvedValue(false)
+      
+      const environment = await discovery._detectExecutionEnvironment()
+      expect(environment).toBe('unknown')
+    })
+  })
+
+  describe('Package Root Finding - Development Environment', () => {
+    test('should find package root in development mode', async () => {
+      // Setup development environment
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const projectRoot = tempDir.name
+
+      // Create development structure
+      await fs.ensureDir(path.join(projectRoot, 'src', 'bin'))
+      await fs.ensureDir(path.join(projectRoot, 'prompt'))
+      await fs.writeJSON(path.join(projectRoot, 'package.json'), {
+        name: 'dpml-prompt',
+        version: '1.0.0'
+      })
+      await fs.writeFile(path.join(projectRoot, 'src', 'bin', 'promptx.js'), '// CLI entry')
+
+      process.chdir(projectRoot)
+
+      const packageRoot = await discovery._findDevelopmentRoot()
+      // Use fs.realpathSync to handle symlinks and path resolution consistently
+      expect(fs.realpathSync(packageRoot)).toBe(fs.realpathSync(projectRoot))
+    })
+
+    test('should return null if not dpml-prompt package', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const projectRoot = tempDir.name
+
+      await fs.ensureDir(path.join(projectRoot, 'src', 'bin'))
+      await fs.ensureDir(path.join(projectRoot, 'prompt'))
+      await fs.writeJSON(path.join(projectRoot, 'package.json'), {
+        name: 'other-package',
+        version: '1.0.0'
+      })
+
+      process.chdir(projectRoot)
+
+      const packageRoot = await discovery._findDevelopmentRoot()
+      expect(packageRoot).toBeNull()
+    })
+
+    test('should return null if missing required directories', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      process.chdir(tempDir.name)
+
+      await fs.writeJSON(path.join(tempDir.name, 'package.json'), {
+        name: 'dpml-prompt'
+      })
+      // Missing prompt directory
+
+      const packageRoot = await discovery._findDevelopmentRoot()
+      expect(packageRoot).toBeNull()
+    })
+  })
+
+  describe('Package Root Finding - Installed Environment', () => {
+    test('should find package root by searching upward', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const packagePath = path.join(tempDir.name, 'node_modules', 'dpml-prompt')
+      const searchStartPath = path.join(packagePath, 'src', 'lib', 'core')
+
+      // Create installed package structure
+      await fs.ensureDir(searchStartPath)
+      await fs.writeJSON(path.join(packagePath, 'package.json'), {
+        name: 'dpml-prompt',
+        version: '1.0.0'
+      })
+
+      // Mock _getCurrentDirectory to start search from nested directory
+      jest.spyOn(discovery, '_getCurrentDirectory').mockReturnValue(searchStartPath)
+
+      const packageRoot = await discovery._findInstalledRoot()
+      expect(packageRoot).toBe(packagePath)
+    })
+
+    test('should return null if search finds wrong package', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const packagePath = path.join(tempDir.name, 'node_modules', 'other-package')
+      const searchStartPath = path.join(packagePath, 'src', 'lib')
+
+      await fs.ensureDir(searchStartPath)
+      await fs.writeJSON(path.join(packagePath, 'package.json'), {
+        name: 'other-package',
+        version: '1.0.0'
+      })
+
+      jest.spyOn(discovery, '_getCurrentDirectory').mockReturnValue(searchStartPath)
+
+      const packageRoot = await discovery._findInstalledRoot()
+      expect(packageRoot).toBeNull()
+    })
+  })
+
+  describe('Package Root Finding - Fallback', () => {
+    test('should find package using module resolution', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const packagePath = path.join(tempDir.name, 'node_modules', 'dpml-prompt')
+
+      // Create package structure
+      await fs.ensureDir(packagePath)
+      await fs.writeJSON(path.join(packagePath, 'package.json'), {
+        name: 'dpml-prompt',
+        version: '1.0.0'
+      })
+
+      // Mock resolve to find our package
+      const resolve = require('resolve')
+      jest.spyOn(resolve, 'sync').mockReturnValue(path.join(packagePath, 'package.json'))
+
+      const packageRoot = await discovery._findFallbackRoot()
+      expect(packageRoot).toBe(packagePath)
+    })
+
+    test('should return null if module resolution fails', async () => {
+      const resolve = require('resolve')
+      jest.spyOn(resolve, 'sync').mockImplementation(() => {
+        throw new Error('Module not found')
+      })
+
+      const packageRoot = await discovery._findFallbackRoot()
+      expect(packageRoot).toBeNull()
+    })
+  })
+
+  describe('Registry Path Resolution', () => {
+    test('should load registry from src/resource.registry.json in development', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const registryPath = path.join(tempDir.name, 'src', 'resource.registry.json')
+      const testRegistry = { test: 'data' }
+
+      await fs.ensureDir(path.dirname(registryPath))
+      await fs.writeJSON(registryPath, testRegistry)
+
+      jest.spyOn(discovery, '_findPackageRoot').mockResolvedValue(tempDir.name)
+
+      const registry = await discovery._loadStaticRegistry()
+      expect(registry).toEqual(testRegistry)
+    })
+
+    test('should fallback to alternative registry location', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const altRegistryPath = path.join(tempDir.name, 'resource.registry.json')
+      const testRegistry = { test: 'alternative' }
+
+      // No src/resource.registry.json, but alternative exists
+      await fs.writeJSON(altRegistryPath, testRegistry)
+
+      jest.spyOn(discovery, '_findPackageRoot').mockResolvedValue(tempDir.name)
+
+      const registry = await discovery._loadStaticRegistry()
+      expect(registry).toEqual(testRegistry)
+    })
+
+    test('should throw error if no registry found', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      jest.spyOn(discovery, '_findPackageRoot').mockResolvedValue(tempDir.name)
+
+      await expect(discovery._loadStaticRegistry()).rejects.toThrow('Static registry file not found')
+    })
+  })
+
+  describe('Integration - Complete Package Discovery Flow', () => {
+    test('should work end-to-end in development environment', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const projectRoot = tempDir.name
+
+      // Setup complete development environment
+      await fs.ensureDir(path.join(projectRoot, 'src', 'bin'))
+      await fs.ensureDir(path.join(projectRoot, 'prompt'))
+      await fs.writeJSON(path.join(projectRoot, 'package.json'), {
+        name: 'dpml-prompt'
+      })
+      await fs.writeFile(path.join(projectRoot, 'src', 'bin', 'promptx.js'), '// CLI')
+      await fs.writeJSON(path.join(projectRoot, 'src', 'resource.registry.json'), {
+        protocols: {
+          role: {
+            registry: {
+              'test-role': '@package://test.md'
+            }
+          }
+        }
+      })
+
+      process.chdir(projectRoot)
+
+      // Test complete discovery flow
+      const resources = await discovery.discover()
+      expect(resources.length).toBeGreaterThan(0)
+      
+      // Should find registry resources
+      const roleResources = resources.filter(r => r.id.startsWith('role:'))
+      expect(roleResources.length).toBeGreaterThan(0)
+    })
+
+    test('should work end-to-end in installed environment', async () => {
+      const tempDir = tmp.dirSync({ unsafeCleanup: true })
+      const packagePath = path.join(tempDir.name, 'node_modules', 'dpml-prompt')
+
+      // Setup installed package structure
+      await fs.ensureDir(path.join(packagePath, 'src'))
+      await fs.ensureDir(path.join(packagePath, 'prompt'))
+      await fs.writeJSON(path.join(packagePath, 'package.json'), {
+        name: 'dpml-prompt'
+      })
+      await fs.writeJSON(path.join(packagePath, 'src', 'resource.registry.json'), {
+        protocols: {
+          role: {
+            registry: {
+              'installed-role': '@package://installed.md'
+            }
+          }
+        }
+      })
+
+      // Mock environment detection to return 'local'
+      jest.spyOn(discovery, '_detectExecutionEnvironment').mockResolvedValue('local')
+      jest.spyOn(discovery, '_findInstalledRoot').mockResolvedValue(packagePath)
+
+      const resources = await discovery.discover()
+      expect(resources.length).toBeGreaterThan(0)
+      
+      const roleResources = resources.filter(r => r.id.startsWith('role:'))
+      expect(roleResources.length).toBeGreaterThan(0)
+    })
+  })
+})
\ No newline at end of file
diff --git a/src/tests/core/resource/discovery/PackageDiscovery.unit.test.js b/src/tests/core/resource/discovery/PackageDiscovery.unit.test.js
index 6fed569..1a1bbba 100644
--- a/src/tests/core/resource/discovery/PackageDiscovery.unit.test.js
+++ b/src/tests/core/resource/discovery/PackageDiscovery.unit.test.js
@@ -113,19 +113,38 @@ describe('PackageDiscovery', () => {
   })
 
   describe('_findPackageRoot', () => {
-    test('should find package root containing prompt directory', async () => {
-      // Mock file system check
-      jest.spyOn(discovery, '_findPackageJsonWithPrompt').mockResolvedValue('/mock/package/root')
+    test('should find package root in development environment', async () => {
+      // Mock environment detection and development root finder
+      jest.spyOn(discovery, '_detectExecutionEnvironment').mockResolvedValue('development')
+      jest.spyOn(discovery, '_findDevelopmentRoot').mockResolvedValue('/mock/package/root')
 
       const root = await discovery._findPackageRoot()
-
       expect(root).toBe('/mock/package/root')
     })
 
-    test('should throw error if package root not found', async () => {
-      jest.spyOn(discovery, '_findPackageJsonWithPrompt').mockResolvedValue(null)
+    test('should find package root in installed environment', async () => {
+      // Mock environment detection and installed root finder
+      jest.spyOn(discovery, '_detectExecutionEnvironment').mockResolvedValue('local')
+      jest.spyOn(discovery, '_findInstalledRoot').mockResolvedValue('/mock/node_modules/dpml-prompt')
 
-      await expect(discovery._findPackageRoot()).rejects.toThrow('Package root with prompt directory not found')
+      const root = await discovery._findPackageRoot()
+      expect(root).toBe('/mock/node_modules/dpml-prompt')
+    })
+
+    test('should use fallback method for unknown environment', async () => {
+      // Mock environment detection and fallback finder
+      jest.spyOn(discovery, '_detectExecutionEnvironment').mockResolvedValue('unknown')
+      jest.spyOn(discovery, '_findFallbackRoot').mockResolvedValue('/mock/fallback/root')
+
+      const root = await discovery._findPackageRoot()
+      expect(root).toBe('/mock/fallback/root')
+    })
+
+    test('should throw error if package root not found', async () => {
+      jest.spyOn(discovery, '_detectExecutionEnvironment').mockResolvedValue('development')
+      jest.spyOn(discovery, '_findDevelopmentRoot').mockResolvedValue(null)
+
+      await expect(discovery._findPackageRoot()).rejects.toThrow('Package root not found')
     })
   })
 
diff --git a/src/tests/core/resource/resourceManager.integration.test.js b/src/tests/core/resource/resourceManager.integration.test.js
index fc4d768..70bd5bb 100644
--- a/src/tests/core/resource/resourceManager.integration.test.js
+++ b/src/tests/core/resource/resourceManager.integration.test.js
@@ -166,8 +166,9 @@ describe('ResourceManager - Integration Tests', () => {
       glob.mockResolvedValue([])
       await manager.initialize()
 
-      await expect(manager.loadResource('non-existent-resource'))
-        .rejects.toThrow("Resource 'non-existent-resource' not found")
+      const result = await manager.loadResource('non-existent-resource')
+      expect(result.success).toBe(false)
+      expect(result.message).toBe("Resource 'non-existent-resource' not found")
     })
 
     test('应该处理协议解析失败', async () => {
@@ -177,8 +178,9 @@ describe('ResourceManager - Integration Tests', () => {
 
       jest.spyOn(manager.resolver, 'resolve').mockRejectedValue(new Error('Protocol resolution failed'))
 
-      await expect(manager.loadResource('java-backend-developer'))
-        .rejects.toThrow('Protocol resolution failed')
+      const result = await manager.loadResource('java-backend-developer')
+      expect(result.success).toBe(false)
+      expect(result.message).toBe('Protocol resolution failed')
     })
 
     test('应该处理文件读取失败', async () => {
@@ -194,8 +196,9 @@ describe('ResourceManager - Integration Tests', () => {
         throw new Error('File not found')
       })
 
-      await expect(manager.loadResource('java-backend-developer'))
-        .rejects.toThrow('File not found')
+      const result = await manager.loadResource('java-backend-developer')
+      expect(result.success).toBe(false)
+      expect(result.message).toBe('File not found')
     })
 
     test('应该处理初始化失败', async () => {