diff --git a/autoload/mpsync.vim b/autoload/mpsync.vim
index 9e55c99..bcd26e7 100644
--- a/autoload/mpsync.vim
+++ b/autoload/mpsync.vim
@@ -39,7 +39,7 @@ function! s:start()
     else
         execute 'silent !java -jar -Dlog.level="' . g:markdown_preview_sync_log_level . '" "' . s:plugin_root_dir . '"/java/markdown-preview-sync.jar >/dev/null 2>&1 &'
     endif
-    sleep 1
+    sleep 2
 
 python << EOF
 port = int(vim.eval('g:markdown_preview_sync_port'))
diff --git a/pom.xml b/pom.xml
index 36fe084..e046ef2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.pingao</groupId>
     <artifactId>markdown-preview-sync</artifactId>
-    <version>1.1</version>
+    <version>1.2</version>
     <packaging>jar</packaging>
 
     <name>markdown-preview-sync</name>