fix error

Author: bopeng5221

README.md

@@ -6,7 +6,7 @@
 ```mermaid
 graph LR
     A["/rl_deploy"] -->|/JOINTS_CMD| B["/mujoco_simulation"]
-    A -->|/IMU_DATA| B
+    B -->|/IMU_DATA| A
     B -->|/JOINTS_DATA| A
 ```
 ```bash

README_EN.md

@@ -4,7 +4,7 @@
 ```mermaid
 graph LR
     A["/rl_deploy"] -->|/JOINTS_CMD| B["/mujoco_simulation"]
-    A -->|/IMU_DATA| B
+    B -->|/IMU_DATA| A
     B -->|/JOINTS_DATA| A
 ```
 ```bash