fix TuGraph-family#100 : add upload file size limit. (TuGraph-family#384

)

fix browser legacy-upload file size limit.

Co-authored-by: Shipeng Qi <[email protected]>

docs/en-US/source/4.user-guide/2.tugraph-browser-legacy.md

@@ -18,7 +18,7 @@ When the user completes the installation of the graph database, you can access i
 
 ### 2. Login
 
-![alt 登录](https://tugraph-web-static.oss-cn-beijing.aliyuncs.com/%E6%96%87%E6%A1%A3/2.Operating/1.tugraph-browser-lpgin.png)
+![alt Login](https://tugraph-web-static.oss-cn-beijing.aliyuncs.com/%E6%96%87%E6%A1%A3/2.Operating/1.tugraph-browser-lpgin.png)
 
 - When the page is opened successfully, the first thing you see is the login page, and the user needs to fill in the account number and password to log in.
 - Default account: admin
@@ -31,11 +31,11 @@ When the user completes the installation of the graph database, you can access i
 
 - When you log in for the first time, the system will create an empty graph by default
 
-  ![alt 快速上手](https://tugraph-web-static.oss-cn-beijing.aliyuncs.com/%E6%96%87%E6%A1%A3/2.Operating/2.tugraph-browser-quickstart-01.png)
+  ![alt quick start](https://tugraph-web-static.oss-cn-beijing.aliyuncs.com/%E6%96%87%E6%A1%A3/2.Operating/2.tugraph-browser-quickstart-01.png)
 
 - The user clicks on the help option and selects Get Started quickly
 
-  ![alt 帮助](https://tugraph-web-static.oss-cn-beijing.aliyuncs.com/%E6%96%87%E6%A1%A3/2.Operating/3.tugraph-browser-quickstart-02.png)
+  ![alt help](https://tugraph-web-static.oss-cn-beijing.aliyuncs.com/%E6%96%87%E6%A1%A3/2.Operating/3.tugraph-browser-quickstart-02.png)
 
 - Then click "One-click Create Model" -- >" One-click Create Data "to complete the construction of the built-in Movie data graph
 
@@ -123,7 +123,8 @@ When the user completes the installation of the graph database, you can access i
 - Select a local CSV file
 - Select the model for the corresponding node or edge
 - Do the data mapping
-  -Complete the data import
+- Complete the data import
+- The maximum supported size for a single file is 2GB.
 
 ##### 3.3.5 plug-in (Stored Procedure)
 

docs/zh-CN/source/4.user-guide/2.tugraph-browser-legacy.md

@@ -124,6 +124,7 @@ TuGraph Browser 的主要功能是为使用图数据库的开发人员，提供
   - 选择对应的节点或边的模型
   - 进行数据映射
   - 完成数据导入
+  - 单个文件最大支持2GB
 
 ##### 3.3.5 插件