doc: fix sample code in Message

examples/docs/en-US/message.md

@@ -2,7 +2,7 @@
   module.exports = {
     methods: {
       open() {
-        this.$message('This is a message');
+        this.$message('This is a message.');
       },
 
       open2() {
@@ -26,7 +26,7 @@
       open5() {
         this.$message({
           showClose: true,
-          message: 'This is a message'
+          message: 'This is a message.'
         });
       },
 
@@ -101,7 +101,7 @@ Used to show the feedback of Success, Warning, Message and Error activities.
   export default {
     methods: {
       open() {
-        this.$message('This is a message');
+        this.$message('This is a message.');
       },
       open2() {
         this.$message({
@@ -145,23 +145,23 @@ A close button can be added.
       open5() {
         this.$message({
           showClose: true,
-          message: 'Congrats, this is a success message.'
+          message: 'This is a message.'
         });
       },
 
       open6() {
         this.$message({
           showClose: true,
-          message: 'Warning, this is a warning message.',
-          type: 'warning'
+          message: 'Congrats, this is a success message.',
+          type: 'success'
         });
       },
 
       open7() {
         this.$message({
           showClose: true,
-          message: 'Oops, this is a error message.',
-          type: 'error'
+          message: 'Warning, this is a warning message.',
+          type: 'warning'
         });
       },
 
@@ -208,4 +208,4 @@ You can call `Message.closeAll()` to manually close all the instances.
 `Message` and `this.$message` returns the current Message instance. To manually close the instance, you can call `close` on it.
 | Method | Description |
 | ---- | ---- |
-| close | close the Message |
+| close | close the Message |

examples/docs/zh-CN/message.md

@@ -145,23 +145,23 @@
       open5() {
         this.$message({
           showClose: true,
-          message: '恭喜你，这是一条成功消息'
+          message: '这是一条消息提示'
         });
       },
 
       open6() {
         this.$message({
           showClose: true,
-          message: '警告哦，这是一条警告消息',
-          type: 'warning'
+          message: '恭喜你，这是一条成功消息',
+          type: 'success'
         });
       },
 
       open7() {
         this.$message({
           showClose: true,
-          message: '错了哦，这是一条错误消息',
-          type: 'error'
+          message: '警告哦，这是一条警告消息',
+          type: 'warning'
         });
       },