diff --git a/Document/0x01-Foreword.md b/Document/Foreword.md
similarity index 100%
rename from Document/0x01-Foreword.md
rename to Document/Foreword.md
diff --git a/book.json b/book.json
index 5f016b2..d935d6c 100644
--- a/book.json
+++ b/book.json
@@ -2,6 +2,6 @@
   "root" : "./Document",
 
   "structure": { 
-    "readme": "0x01-Foreword.md" 
+    "readme": "Foreword.md"
   } 
 }