fix: some typos using typos

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

docs/docs/application/advanced_tutorial/api.md

@@ -7,7 +7,7 @@ Model API mainly means that DB-GPT adapts to various models and is uniformly pac
 ## Model API
 
 In the DB-GPT project, we defined a service-oriented multi-model management framework (SMMF). Through the capabilities of SMMF, we can deploy multiple models, and these models provide external services through services. In order to allow clients to achieve seamless switching, we uniformly support the OpenAI SDK standards.
-- Detail useage tutorial: [OpenAI SDK calls local multi-model ](../../installation/advanced_usage/OpenAI_SDK_call.md)
+- Detail usage tutorial: [OpenAI SDK calls local multi-model ](../../installation/advanced_usage/OpenAI_SDK_call.md)
 
 **Example:** The following is an example of calling through openai sdk
 

docs/docs/application/fine_tuning_manual/text_to_sql.md

@@ -1,9 +1,9 @@
 # Text2SQL Fine-Tuning
 We have split the Text2SQL-related fine-tuning code into the `DB-GPT-Hub `sub-project, and you can also view the source code directly.
 
-## Fine-tune pipline
+## Fine-tune pipeline
 
-Text2SQL pipline mainly includes the following processes:
+Text2SQL pipeline mainly includes the following processes:
 - [Build environment](#build-environment)
 - [Data processing](#data-processing)
 - [Model train](#model-train)

docs/docs/faq/kbqa.md

@@ -26,7 +26,7 @@ If you want to use OceanBase, please first start a docker container via the foll
 docker run --name=ob433 -e MODE=slim -p 2881:2881 -d quay.io/oceanbase/oceanbase-ce:4.3.3.0-100000142024101215
 ```
 
-Donwload the partner package:
+Download the partner package:
 ```shell
 pip install --upgrade --quiet pyobvector
 ```