diff --git a/list/potsovacto b/list/potsovacto
new file mode 100644
index 0000000..4e66832
--- /dev/null
+++ b/list/potsovacto
@@ -0,0 +1 @@
+potsovacto: 法向量 [2332; =potso+vacto]
\ No newline at end of file