diff --git a/zs.docs/GeneralItem/Lightweight alloys.md b/zs.docs/GeneralItem/Lightweight alloys.md
new file mode 100644
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+++ b/zs.docs/GeneralItem/Lightweight alloys.md	
@@ -0,0 +1,8 @@
+---
+category: GeneralItem
+level_1: +10% unit movement speed.
+level_2: +20% unit movement speed.
+level_3: +30% unit movement speed.
+level_4: +40% unit movement speed.
+level_5: +50% unit movement speed.
+---