diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f46d9a5..488f50fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -86,4 +86,8 @@
 - Update pin definition document 
 
 ## (23/2/2021)
-- <BasicUnit/AXP20x_ADC> example compatible with T-Block 
\ No newline at end of file
+- <BasicUnit/AXP20x_ADC> example compatible with T-Block 
+
+## (27/3/2021)
+- [Merged#119](https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/pull/119)
+- Update `library.properties`,up to `1.4.2` version
diff --git a/library.json b/library.json
index 9b04f9a5..3f24df86 100644
--- a/library.json
+++ b/library.json
@@ -1,7 +1,7 @@
 {
     "name": "TTGO TWatch Library",
     "keywords": "Device Conterl,TWatch,Watch,TTGO",
-    "description": "Arduino Library for TTGO T-Watch development kit",
+    "description": "Arduino Library for LilyGo T-Watch & LilyPi & T-Block development kit",
     "repository": {
         "type": "git",
         "url": "https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library.git"
@@ -12,14 +12,9 @@
             "email": "lily@lilygo.cc",
             "url": "https://github.com/Xinyuan-LilyGO",
             "maintainer": true
-        },
-        {
-            "name": "lewishe",
-            "email": "lewishe@outlook.com",
-            "url": "https://github.com/lewisxhe"
         }
     ],
-    "version": "1.4.1",
+    "version": "1.4.2",
     "frameworks": "arduino",
     "platforms": "esp32"
 }
\ No newline at end of file
diff --git a/library.properties b/library.properties
index 443377ac..19e566fb 100644
--- a/library.properties
+++ b/library.properties
@@ -1,8 +1,8 @@
 name=TTGO TWatch Library
-version=1.4.1
+version=1.4.2
 author=TTGO
-maintainer=lewis he <lewishe@outlook.com>
-sentence=Library for TTGO T-Watch development kit
+maintainer=Xinyuan Electronics <lily@lilygo.cc>
+sentence=Library for LilyGo development kit
 paragraph=twatch library
 category=Device Control
 url=https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library