correct paddle install scripts

Author: HydrogenSulfate

doc/env.md

@@ -67,7 +67,7 @@ Control high (double) or low (float) precision of training.
 
 **Choices**: `0`, `1`; **Default**: `0`
 
-{{ paddle_icon }} Enable Paddle CINN Compiler when `PD_JIT` is enabled. Note that this option may either improve or decrease the performance. Requires Paddle to support CINN()(`paddle.device.is_compiled_with_cinn()` is `True`).
+{{ paddle_icon }} Enable Paddle CINN Compiler when `PD_JIT` is enabled. Note that this option may either improve or decrease the performance. Requires Paddle to support CINN(`paddle.device.is_compiled_with_cinn()` is `True`).
 
 :::
 

doc/install/easy-install.md

@@ -193,24 +193,25 @@ Switch to the TensorFlow {{ tensorflow_icon }} tab for more information.
 ::::{tab-item} CUDA 12.3
 
 ```bash
-pip install deepmd-kit[paddle]
+pip install paddlepaddle-gpu==3.0.0b2 -i https://www.paddlepaddle.org.cn/packages/stable/cu123/
+pip install deepmd-kit
 ```
 
 ::::
 
 ::::{tab-item} CUDA 11.8
 
 ```bash
-pip install paddlepaddle-gpu==3.0.0b2 -i https://www.paddlepaddle.org.cn/packages/stable/cu123/
-pip install deepmd-kit-cu11
+pip install paddlepaddle-gpu==3.0.0b2 -i https://www.paddlepaddle.org.cn/packages/stable/cu118/
+pip install deepmd-kit
 ```
 
 ::::
 
 ::::{tab-item} CPU
 
 ```bash
-pip install paddlepaddle-gpu==3.0.0b2 -i https://www.paddlepaddle.org.cn/packages/stable/cu118/
+pip install paddlepaddle==3.0.0b2 -i https://www.paddlepaddle.org.cn/packages/stable/cpu/
 pip install deepmd-kit
 ```