diff --git a/performance.md b/performance.md
index 5e4830c..1c4f65f 100644
--- a/performance.md
+++ b/performance.md
@@ -33,7 +33,7 @@ print((end-start) / 100)
 | inference method | mem usage | avg time |
 | -- | -- | -- |
 | pytorch | 0.3G | 0.451s |
-｜ torchscript | 0.3G | 0.470s |
+| torchscript | 0.3G | 0.470s |
 | onnx | 0.3G | 0.378s |
 
 - Device: MacOS, 2.3 GHz Quad-Core Intel Core i7, 8 CPUs
@@ -42,5 +42,5 @@ print((end-start) / 100)
 | inference method | mem usage | avg time |
 | -- | -- | -- |
 | pytorch | 2.6G | 8.162s |
-｜ torchscript | 2.8G | 7.507s |
+| torchscript | 2.8G | 7.507s |
 | onnx | 1.7G | 6.769s |