diff --git a/emojix/README.md b/emojix/README.md
index ed8017a..c041362 100644
--- a/emojix/README.md
+++ b/emojix/README.md
@@ -1,4 +1,4 @@
-# emoji表情包
+# emojix
 
 ## Install
 
diff --git a/floatx/README.md b/floatx/README.md
index 18ecd04..5180c0f 100644
--- a/floatx/README.md
+++ b/floatx/README.md
@@ -1,4 +1,4 @@
-# floatUtil
+# floatx
 
 ## Install
 
diff --git a/jsonx/README.md b/jsonx/README.md
index 182f708..db778d4 100644
--- a/jsonx/README.md
+++ b/jsonx/README.md
@@ -1,4 +1,4 @@
-# jsonUtil
+# jsonx
 
 English | [简体中文](README.cn.md)
 
diff --git a/mapx/README.md b/mapx/README.md
index 35e4e3b..f8ac0d0 100644
--- a/mapx/README.md
+++ b/mapx/README.md
@@ -1,4 +1,4 @@
-# mapUtil
+# mapx
 
 ## Install
 
diff --git a/mathx/README.md b/mathx/README.md
index 1d9689e..17b014d 100644
--- a/mathx/README.md
+++ b/mathx/README.md
@@ -1,4 +1,4 @@
-# mathUtil
+# mathx
 
 ## Install
 
diff --git a/slicex/README.md b/slicex/README.md
index 0f61061..1eecaa5 100644
--- a/slicex/README.md
+++ b/slicex/README.md
@@ -1,4 +1,4 @@
-# sliceUtil
+# slicex
 
 ## Install
 
diff --git a/strx/README.md b/strx/README.md
index a01355b..fbc220c 100644
--- a/strx/README.md
+++ b/strx/README.md
@@ -1,4 +1,4 @@
-# strUtil
+# strx
 
 ## Install
 
diff --git a/validx/README.md b/validx/README.md
index 156fa00..d927360 100644
--- a/validx/README.md
+++ b/validx/README.md
@@ -1,4 +1,4 @@
-# ValidUtil
+# validx
 
 ## Install