diff --git a/README.en.md b/README.en.md
index a9e48dc..081092f 100644
--- a/README.en.md
+++ b/README.en.md
@@ -32,8 +32,8 @@ SpireCV is an **real-time edge perception SDK** built for **intelligent unmanned
  - **Functional Layer**：
     - [x] Video algorithm module (providing perceptual algorithms with unified interfaces, efficient performance and diverse functions)
     - [x] Video input, save and push stream module (to provide stable, cross-platform video reading and writing capabilities)
-    - [x] þCamera and pod control module (for the typical hardware ecology to open the interface, easy to use)
-    - [x] þSensing information interaction module (providing UDP communication protocol)
+    - [x] Camera and pod control module (for the typical hardware ecology to open the interface, easy to use)
+    - [x] Sensing information interaction module (providing UDP communication protocol)
     - [x] [ROS interface](https://gitee.com/amovlab1/spirecv-ros.git)
  - **平台层**：
     - [x] X86 + Nvidia GPUs (10 series, 20 series, and 30 series graphics cards recommended)