fix: returning 500 when getStatus failed

Signed-off-by: Raccoon <raccoon@hackmd.io>

lib/status/index.js

@@ -4,14 +4,19 @@ const realtime = require('../realtime/realtime')
 const config = require('../config')
 
 exports.getStatus = async (req, res) => {
-  const data = await realtime.getStatus()
-
   res.set({
     'Cache-Control': 'private', // only cache by client
     'X-Robots-Tag': 'noindex, nofollow', // prevent crawling
     'Content-Type': 'application/json'
   })
-  res.send(data)
+
+  try {
+    const data = await realtime.getStatus()
+    res.send(data)
+  } catch (e) {
+    console.error(e)
+    res.status(500).send(e.toString())
+  }
 }
 
 exports.getMetrics = async (req, res) => {