init

Signed-off-by: 高汝彤 <rutong.grt@alibaba-inc.com>

README.md

@@ -32,28 +32,33 @@ glide get github.com/aliyun/alibaba-cloud-sdk-go
 3. 发起请求并处理异常
 
 ```go
-import(
-	github.com/aliyun/aliyun-openapi-go-sdk/services/ecs
-	github.com/aliyun/aliyun-openapi-go-sdk/services/rds
-)
-
-// 创建ecsClient实例
-ecsClient, err := ecs.NewClientWithAccessKey(
-	"<your-region-id>", 			// 您的可用区ID
-	"<your-access-key-id>", 		// 您的Access Key ID
-	"<your-access-key-secret>")		// 您的Access Key Secret
-if err != nil {
-	// 异常处理
-}
+package main
 
-// 创建API请求并设置参数
-request := ecs.CreateDescribeInstancesRequest()
-request.PageSize = "10"
+import (
+	"github.com/aliyun/alibaba-cloud-sdk-go/services/ecs"
+	"fmt"
+)
 
-// 发起请求并处理异常
-response, err := ecsClient.DescribeInstances(request)
-if err != nil {
-	// 异常处理
+func main() { 
+    // 创建ecsClient实例
+    ecsClient, err := ecs.NewClientWithAccessKey(
+        "<your-region-id>", 			// 您的可用区ID
+        "<your-access-key-id>", 		// 您的Access Key ID
+        "<your-access-key-secret>")		// 您的Access Key Secret
+    if err != nil {
+    	// 异常处理
+    	panic(err)
+    }
+    // 创建API请求并设置参数
+    request := ecs.CreateDescribeInstancesRequest()
+    request.PageSize = "10"
+    // 发起请求并处理异常
+    response, err := ecsClient.DescribeInstances(request)
+    if err != nil {
+    	// 异常处理
+    	panic(err)
+    }
+    fmt.Println(response)
 }
 ```