Fix: Some bugs (#12441)

### What problem does this PR solve?

Fix: Some bugs
- In a production environment, a second-level page refresh results in a
white screen.
- The knowledge graph cannot be opened.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/vite.config.ts

@@ -60,6 +60,7 @@ export default defineConfig(({ mode, command }) => {
     },
     server: {
       port: 9222,
+      strictPort: false,
       proxy: {
         '/api/v1/admin': {
           target: 'http://127.0.0.1:9381/',