diff --git a/Dockerfile b/Dockerfile
index 01cac29..69b4079 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-FROM ubuntu:trusty
+FROM alpine
 MAINTAINER deepzz <deepzz.qi@gmail.com>
 
-RUN apt-get update  
-RUN apt-get install -y ca-certificates
+RUN apk update
+RUN apk add ca-certificates
 
 COPY . /eiblog
 EXPOSE 9000
diff --git a/conf/app.yml b/conf/app.yml
index f607b12..c051fc7 100644
--- a/conf/app.yml
+++ b/conf/app.yml
@@ -51,7 +51,7 @@ mode:
   certfile: conf/certs/domain.pem
   keyfile: conf/certs/domain.key
   domain: deepzz.com
-# twitter地址: //twitter.com/chenqijing2
+# twitter地址: twitter.com/chenqijing2
 twitter: twitter.com/chenqijing2
 # 以下数据初始化用，可在后台修改
 account: