diff --git a/electron/main/init.ts b/electron/main/init.ts
index 11ed6ef3..58a26c0f 100644
--- a/electron/main/init.ts
+++ b/electron/main/init.ts
@@ -6,7 +6,7 @@ import path from 'path'
 import * as net from "net";
 import { ipcMain, BrowserWindow, app } from 'electron'
 import { promisify } from 'util'
-import { detectInstallationLogs, PromiseReturnType } from "./install-deps";
+import { PromiseReturnType } from "./install-deps";
 
 const execAsync = promisify(exec);
 
@@ -170,8 +170,6 @@ export async function startBackend(setPort?: (port: number) => void): Promise<an
     const displayFilteredLogs = (data: String) => {
         if (!data) return;
         const msg = data.toString().trimEnd();
-        //Detect if uv sync is run
-        detectInstallationLogs(msg);
 
         if (msg.toLowerCase().includes("error") || msg.toLowerCase().includes("traceback")) {
             log.error(`BACKEND: ${msg}`);
diff --git a/electron/main/install-deps.ts b/electron/main/install-deps.ts
index 257fca38..7156b1c1 100644
--- a/electron/main/install-deps.ts
+++ b/electron/main/install-deps.ts
@@ -677,104 +677,4 @@ export async function installDependencies(version: string): Promise<PromiseRetur
         resolve({ message: "Both default and mirror install failed", success: false })
     }
   })
-}
-
-let dependencyInstallationDetected = false;
-let installationNotificationSent = false;
-export function detectInstallationLogs(msg:string) {
-  // CRITICAL FIX: Use file system to check if installation is complete
-  // Don't rely on module variables as they can be reset during hot reload
-
-  // Check if dependencies are already installed
-  const isAlreadyInstalled = fs.existsSync(installedLockPath);
-
-  // If installed lock file exists, dependencies are already installed
-  // Skip all detection to avoid false positives
-  if (isAlreadyInstalled) {
-    // Dependencies are already installed, skip detection entirely
-    return;
-  }
-
-  // Also skip if notification was already sent (in current session)
-  if (installationNotificationSent) {
-    return;
-  }
-
-  // Check for UV dependency installation patterns
-  const installPatterns = [
-      "Resolved", // UV resolving dependencies
-      "Downloaded", // UV downloading packages
-      "Installing", // UV installing packages
-      "Built", // UV building packages
-      "Prepared", // UV preparing virtual environment
-      "Syncing", // UV sync process
-      "Creating virtualenv", // Virtual environment creation
-      "Updating", // UV updating packages
-      "× No solution found when resolving dependencies", // Dependency resolution issues
-      "Audited" // UV auditing dependencies
-  ];
-
-  // Detect if UV is installing dependencies
-  if (!dependencyInstallationDetected && installPatterns.some(pattern =>
-      msg.includes(pattern) && !msg.includes("Uvicorn running on")
-  )) {
-      dependencyInstallationDetected = true;
-      log.info('[BACKEND STARTUP] UV dependency installation detected during uvicorn startup');
-
-      // Create installing lock file to maintain consistency with install-deps.ts
-      InstallLogs.setLockPath();
-      log.info('[BACKEND STARTUP] Created uv_installing.lock file');
-
-      // Notify frontend that installation has started (only once)
-      if (!installationNotificationSent) {
-          installationNotificationSent = true;
-          const notificationSent = safeMainWindowSend('install-dependencies-start');
-          if (notificationSent) {
-              log.info('[BACKEND STARTUP] Notified frontend of dependency installation start');
-          } else {
-              log.warn('[BACKEND STARTUP] Failed to notify frontend of dependency installation start');
-          }
-      }
-  }
-  
-  // Send installation logs to frontend if installation was detected
-  if (dependencyInstallationDetected && !msg.includes("Uvicorn running on")) {
-      safeMainWindowSend('install-dependencies-log', {
-          type: msg.toLowerCase().includes("error") || msg.toLowerCase().includes("traceback") ? 'stderr' : 'stdout',
-          data: msg
-      });
-  }
-  
-  // Check if installation is complete (uvicorn starts successfully)
-  if (dependencyInstallationDetected && msg.includes("Uvicorn running on")) {
-      log.info('[BACKEND STARTUP] UV dependency installation completed, uvicorn started successfully');
-      
-      // Clean up installing lock and create installed lock
-      InstallLogs.cleanLockPath();
-      fs.writeFileSync(installedLockPath, '');
-      log.info('[BACKEND STARTUP] Created uv_installed.lock file');
-      
-      safeMainWindowSend('install-dependencies-complete', {
-          success: true,
-          message: 'Dependencies installed successfully during backend startup'
-      });
-  }
-  
-  // Handle installation failures
-  if (dependencyInstallationDetected && (
-      msg.toLowerCase().includes("failed to resolve dependencies") ||
-      msg.toLowerCase().includes("installation failed") ||
-      msg.includes("× No solution found when resolving dependencies")
-  )) {
-      log.error('[BACKEND STARTUP] UV dependency installation failed');
-      
-      // Clean up installing lock file
-      InstallLogs.cleanLockPath();
-      log.info('[BACKEND STARTUP] Cleaned up uv_installing.lock file after failure');
-      
-      safeMainWindowSend('install-dependencies-complete', {
-          success: false,
-          error: 'Dependency installation failed during backend startup'
-      });
-  }
 }
\ No newline at end of file
diff --git a/test/unit/electron/install-deps.test.ts b/test/unit/electron/install-deps.test.ts
index b1ee8adc..73b784cd 100644
--- a/test/unit/electron/install-deps.test.ts
+++ b/test/unit/electron/install-deps.test.ts
@@ -429,181 +429,4 @@ describe('Install Deps Module', () => {
 
 //       expect(mockEnv.processUtilsMock.cleanupOldVenvs).toHaveBeenCalledWith('1.0.0')
 //     })
-//   })
-
-//   describe('detectInstallationLogs', () => {
-//     beforeEach(() => {
-//       // Reset the module-level state variables
-//       vi.resetModules()
-//     })
-
-//     it('should detect UV dependency installation patterns', () => {
-//       const installationPatterns = [
-//         'Resolved 10 packages in 1.2s',
-//         'Downloaded package xyz',
-//         'Installing numpy==1.21.0',
-//         'Built wheel for package',
-//         'Prepared virtual environment',
-//         'Syncing dependencies',
-//         'Creating virtualenv at .venv',
-//         'Updating package index',
-//         'Audited 15 packages'
-//       ]
-
-//       installationPatterns.forEach(pattern => {
-//         // The function has side effects, so we can't easily test return values
-//         // Instead, we test that it doesn't throw and processes the input
-//         expect(() => installDeps.detectInstallationLogs(pattern)).not.toThrow()
-//       })
-//     })
-
-//     it('should handle uvicorn startup messages', () => {
-//       const uvicornMessages = [
-//         'Uvicorn running on http://127.0.0.1:8000',
-//         'Application startup complete',
-//         'Server started successfully'
-//       ]
-
-//       uvicornMessages.forEach(message => {
-//         expect(() => installDeps.detectInstallationLogs(message)).not.toThrow()
-//       })
-//     })
-
-//     it('should handle installation failure messages', () => {
-//       const failureMessages = [
-//         '× No solution found when resolving dependencies',
-//         'failed to resolve dependencies',
-//         'installation failed'
-//       ]
-
-//       failureMessages.forEach(message => {
-//         expect(() => installDeps.detectInstallationLogs(message)).not.toThrow()
-//       })
-//     })
-//   })
-
-//   describe('Error Handling and Edge Cases', () => {
-//     it('should handle file system permission errors gracefully', async () => {
-//       // Mock filesystem error
-//       mockEnv.fsMock.writeFileSync.mockImplementation((path: string) => {
-//         if (path.includes('version.txt')) {
-//           throw new Error('Permission denied')
-//         }
-//       })
-
-//       const mockWin = {
-//         webContents: { send: vi.fn() },
-//         isDestroyed: vi.fn().mockReturnValue(false)
-//       }
-
-//       // The function should handle errors gracefully
-//       const result = await installDeps.checkAndInstallDepsOnUpdate({
-//         win: mockWin,
-//         forceInstall: true
-//       })
-
-//       // Should still return a result, even if there are file system errors
-//       expect(result).toBeDefined()
-//       expect(typeof result.success).toBe('boolean')
-//       expect(typeof result.message).toBe('string')
-//     })
-
-//     it('should handle timezone-based mirror selection for China', async () => {
-//       // Mock Intl.DateTimeFormat for China timezone
-//       const originalDateTimeFormat = global.Intl.DateTimeFormat
-//       const mockDateTimeFormat = vi.fn().mockImplementation(() => ({
-//         resolvedOptions: () => ({ timeZone: 'Asia/Shanghai' })
-//       })) as any
-//       global.Intl.DateTimeFormat = mockDateTimeFormat
-
-//       try {
-//         // Set up scenario where default fails but mirror succeeds  
-//         mockEnv.scenarios.networkIssues()
-
-//         const result = await installDeps.installDependencies('1.0.0')
-
-//         expect(result.success).toBe(true)
-//         expect(result.message).toContain('Dependencies installed successfully with mirror')
-//       } finally {
-//         // Restore original
-//         global.Intl.DateTimeFormat = originalDateTimeFormat
-//       }
-//     })
-
-//     it('should handle invalid version strings', async () => {
-//       const result = await installDeps.installDependencies('')
-
-//       // Should handle empty version string gracefully
-//       expect(result).toBeDefined()
-//       expect(typeof result.success).toBe('boolean')
-//     })
-
-//     it('should handle missing backend directory', async () => {
-//       mockEnv.mockState.filesystem.backendPathExists = false
-
-//       const result = await installDeps.installDependencies('1.0.0')
-
-//       // Should create the directory and continue
-//       expect(mockEnv.fsMock.mkdirSync).toHaveBeenCalledWith(
-//         expect.stringContaining('backend'),
-//         { recursive: true }
-//       )
-//       expect(result).toBeDefined()
-//     })
-//   })
-
-//   describe('Integration Tests', () => {
-//     it('should handle complete fresh installation workflow', async () => {
-//       // Set up completely fresh system
-//       mockEnv.scenarios.freshInstall()
-
-//       const mockWin = {
-//         webContents: { send: vi.fn() },
-//         isDestroyed: vi.fn().mockReturnValue(false)
-//       }
-
-//       const result = await installDeps.checkAndInstallDepsOnUpdate({
-//         win: mockWin,
-//         forceInstall: false
-//       })
-
-//       expect(result.success).toBe(true)
-//       expect(mockWin.webContents.send).toHaveBeenCalledWith(
-//         'update-notification',
-//         expect.objectContaining({
-//           type: 'version-update',
-//           reason: 'version file not exist'
-//         })
-//       )
-//     })
-
-//     it('should handle version update with missing tools', async () => {
-//       // Version file exists but tools are missing
-//       mockEnv.mockState.filesystem.versionFileExists = true
-//       mockEnv.mockState.filesystem.versionFileContent = '0.9.0'
-//       mockEnv.mockState.app.currentVersion = '1.0.0'
-//       mockEnv.mockState.filesystem.binariesExist = { 'uv': false, 'bun': false }
-
-//       const mockWin = {
-//         webContents: { send: vi.fn() },
-//         isDestroyed: vi.fn().mockReturnValue(false)
-//       }
-
-//       const result = await installDeps.checkAndInstallDepsOnUpdate({
-//         win: mockWin,
-//         forceInstall: false
-//       })
-
-//       expect(result.success).toBe(true)
-//       expect(mockWin.webContents.send).toHaveBeenCalledWith(
-//         'update-notification',
-//         expect.objectContaining({
-//           type: 'version-update',
-//           currentVersion: '1.0.0',
-//           previousVersion: '0.9.0',
-//           reason: 'version not match'
-//         })
-//       )
-//     })
-//   })
-// })
\ No newline at end of file
+//   })
\ No newline at end of file