优化日志，错误标记

frontend/src/utils/index.js

@@ -1,9 +1,11 @@
 import stats from './stats'
 import encrypt from './encrypt'
 import tour from './tour'
+import log from './log'
 
 export default {
   stats,
   encrypt,
-  tour
+  tour,
+  log
 }

frontend/src/utils/log.js

@@ -0,0 +1,5 @@
+const regexToken = ' :,.'
+
+export default {
+  errorRegex: new RegExp(`(?:[${regexToken}]|^)((?:error|exception|traceback)s?)(?:[${regexToken}]|$)`, 'gi')
+}