“npm start 8080 https://github.com/briteming/gityll” failed

hi。

~/gityll (dev)$ npm start 8080 https://github.com/briteming/gityll (node:36816) ExperimentalWarning: CommonJS module C:\Program Files\nodejs\node_modules\npm\node_modules\debug\src\node.js is loading ES Module C:\Program Files\nodejs\node_modules\npm\node_modules\supports-color\index.js using require(). Support for loading ES Module in require() is an experimental feature and might change at any time (Use node --trace-warnings ... to show where the warning was created)

[email protected] start node Server.js 8080 https://github.com/briteming/gityll

briteming, gityll (node:21960) [DEP0040] DeprecationWarning: The punycode module is deprecated. Please use a userland alternative instead. (Use node --trace-deprecation ... to show where the warning was created) C:\Users\12799\gityll\node_modules\promise\lib\done.js:10 throw err; ^

TypeError: Cannot read properties of undefined (reading 'post_author_name') at Contents.to_html (C:\Users\12799\gityll\Contents.js:43:24) at C:\Users\12799\gityll\Server.js:104:62 at tryCallOne (C:\Users\12799\gityll\node_modules\promise\lib\core.js:37:12) at C:\Users\12799\gityll\node_modules\promise\lib\core.js:123:15 at flush (C:\Users\12799\gityll\node_modules\asap\raw.js:50:29) at process.processTicksAndRejections (node:internal/process/task_queues:85:11)

Node.js v23.3.0 npm notice npm notice New major version of npm available! 10.9.0 -> 11.0.0 npm notice Changelog: https://github.com/npm/cli/releases/tag/v11.0.0 npm notice To update run: npm install -g [email protected] npm notice ~/gityll (dev)$

how to fix it? thank u for ur reply!