fix bug

.vscode/launch.json

+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Launch Package",
+      "type": "go",
+      "request": "launch",
+      "mode": "auto",
+      "program": "${fileDirname}"
+    }
+  ]
+}

sms.go

 
 import (
 	"encoding/json"
+	"fmt"
 
 	openapi "github.com/alibabacloud-go/darabonba-openapi/client"
 	dysmsapi20170525 "github.com/alibabacloud-go/dysmsapi-20170525/v2/client"
 		return err
 	}
 
-	if _, err := client.SendSms(sendSmsRequest); err != nil {
+	result, err := client.SendSms(sendSmsRequest)
+	if err != nil {
+		print(result)
 		return err
 	}
 
+	if *result.Body.Code != "OK" {
+		return fmt.Errorf("[%s]: %s", *result.Body.Code, *result.Body.Message)
+	}
+
 	return nil
 }