The comments are in Chinese, there is a problem with log parsing

[together-wang]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. What did you do? If possible, provide a recipe for reproducing the error.
   The comments are in Chinese, and the following content can be seen from the log of dm-master
   
   

2. What did you expect to see?
   The configuration file does not display comment information in the log

3. What did you see instead?
   Chinese comments in dm-master log are not parsed
   [INFO] [server.go:1990] [payload="task:\"---\\nname: t1\\ntask-mode: all # all \\345\\215\\263\\345\\205\\210\\350\\277\\233\\350\\241\\214\\345\\205\\250\\351\\207\\217\\345\\220\\214\\346\\255\\245\\357\\274\\214\\345\\205\\250\\351\\207\\217\\345\\220\\214\\346\\255\\245\\345\\256\\214\\346\\210\\220\\345\\220\\216\\350\\207\\252\\345\\212\\250\\350\\277\\233\\350\\241\\214\\345\\242\\236\\351\\207\\217\\346\\225\\260\\346\\215\\256\\345\\220\\214\\346\\255\\245\\ncase-sensitive: true\\ntarget-database:\\n host: \\\"172.16.5.215\\\"\\n port: 4200\\n user: \\\"root\\\"\\n password: \\\"\\\"\\n\\nmysql-instances: \\n -\\n source-id: \\\"mysql-replica-01\\\"\\n block-allow-list: \\\"instance\\\"\\n mydumper-thread: 4\\n loader-thread: 16\\n syncer-thread: 16\\n\\n\\nblock-allow-list:\\n instance:\\n do-dbs: [\\\"lianxi\\\"]\\n\\n\" "] [request=CheckTask]

4. Versions of the cluster
   [tidb@node127 dm]$ tiup dm display dm1

   • DM version (run dmctl -V or dm-worker -V or dm-master -V):

     Cluster version:    v2.0.1
     

   • Upstream MySQL/MariaDB server version:

     5.7.24
     

   • Downstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

     Release Version: v5.0.0-rc
     

   • How did you deploy DM: DM-Ansible or manually?

     TIUP
     

   • Other interesting information (system version, hardware config, etc):

5. current status of DM cluster (execute query-status in dmctl)

6. Operation logs

   • Please upload dm-worker.log for every DM-worker instance if possible
   • Please upload dm-master.log if possible
   • Other interesting logs
   • Output of dmctl's commands with problems

7. Configuration of the cluster and the task

   • dm-worker.toml for every DM-worker instance if possible
   • dm-master.toml for DM-master if possible
   • task config, like task.yaml if possible
   • inventory.ini if deployed by DM-Ansible

8. Screenshot/exported-PDF of Grafana dashboard or metrics' graph in Prometheus for DM if possible

[lance6716]

DM now prints the original content of file to log. If we modify the content before printing, there's a little chance that the modification will hide an error and make it harder to locate problems. So I prefer not to "does not display comment information".

Please close the issue if agreed

[sunzhaoyang]

“prints the original content of file to log” is ok, but the problem is that the comments in the configuration file should not be in Chinese