# 🔍 Description
## Issue References 🔗
This pull request fixes#5386
## Describe Your Solution 🔧
add a new backend(ernie bot) for the Chat engine.
<img width="1672" alt="Screenshot 2023-12-07 at 16 20 56" src="https://github.com/apache/kyuubi/assets/32693629/9850916c-3c4a-433c-8278-3068e7b37314">
## Types of changes 🔖
- [ ] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)
## Test Plan 🧪
#### Behavior Without This Pull Request ⚰️
#### Behavior With This Pull Request 🎉
#### Related Unit Tests
---
# Checklists
## 📝 Author Self Checklist
- [ ] My code follows the [style guidelines](https://kyuubi.readthedocs.io/en/master/contributing/code/style.html) of this project
- [ ] I have performed a self-review
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)
## 📝 Committer Pre-Merge Checklist
- [x] Pull request title is okay.
- [x] No license issues.
- [x] Milestone correctly set?
- [ ] Test coverage is ok
- [x] Assignees are selected.
- [x] Minimum number of approvals
- [x] No changes are requested
**Be nice. Be informative.**
Closes#5828 from zhaohehuhu/dev-1207.
Closes#5828
c7314d4a8 [Cheng Pan] Update externals/kyuubi-chat-engine/src/main/scala/org/apache/kyuubi/engine/chat/ernie/service/ErnieBotService.scala
0c4e01007 [hezhao2] update doc
78e51b3d1 [hezhao2] add ernie into doc
2f4a63845 [hezhao2] refactor
832bc0453 [hezhao2] delete enum model
67214c575 [hezhao2] get rid of some java code
567772679 [hezhao2] java bean to scale case class
4d5c5940d [hezhao2] refactor some params
7c44eb83f [hezhao2] refactor some params
56b9ad13a [hezhao2] refactor
a8e3d6cf6 [hezhao2] refactor
7376d800d [hezhao2] Kyuubi chat engine supports ernie bot
4b72a09c0 [hezhao2] Kyuubi chat engine supports ernie bot
Lead-authored-by: hezhao2 <hezhao2@cisco.com>
Co-authored-by: Cheng Pan <pan3793@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
8ab4763ce4