diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e354a5..073a73b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,20 @@
+<a name="3.1.0"></a>
+# [3.1.0](https://github.com/mengxiong10/vue2-datepicker/compare/v3.0.2...v3.1.0) (2019-11-21)
+
+
+### Bug Fixes
+
+*  ie style compatible ([e69b9b7](https://github.com/mengxiong10/vue2-datepicker/commit/e69b9b7))
+* move sidebar element to right position ([32c74a4](https://github.com/mengxiong10/vue2-datepicker/commit/32c74a4))
+
+
+### Features
+
+* add slot `input` ([ffd3918](https://github.com/mengxiong10/vue2-datepicker/commit/ffd3918))
+* export the scss for custom style ([09a4d8f](https://github.com/mengxiong10/vue2-datepicker/commit/09a4d8f))
+
+
+
 <a name="3.0.2"></a>
 
 ## [3.0.2](https://github.com/mengxiong10/vue2-datepicker/compare/v3.0.1...v3.0.2) (2019-11-14)
diff --git a/package-lock.json b/package-lock.json
index e58344c..e1a129d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vue2-datepicker",
-  "version": "3.0.2",
+  "version": "3.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 5b13c5f..77585d4 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "/index.*",
     "/scss"
   ],
-  "version": "3.0.2",
+  "version": "3.1.0",
   "scripts": {
     "dev": "parcel ./example/dev.html --open --port 2235",
     "build:index": "cross-env NODE_ENV=production rollup -c",