修复 规则存在空导致 标签错误

proposed_project/util.go

@@ -37,6 +37,9 @@ func GetRegex(key string) []*RegexpInfo {
 			}
 			infos = append(infos, info)
 		} else {
+			if s == "" {
+				continue
+			}
 			info := &RegexpInfo{
 				keyStr: s,
 				regs:   regexp.MustCompile(".*(?i)" + s + ".*"),