diff --git a/docs/en/Background-Jobs.md b/docs/en/Background-Jobs.md
index 483df737a1..73815bb229 100644
--- a/docs/en/Background-Jobs.md
+++ b/docs/en/Background-Jobs.md
@@ -40,7 +40,7 @@ using Volo.Abp.Emailing;
 
 namespace MyProject
 {
-    public class EmailSendingJob : BackgroundJob<EmailSendingArgs>
+    public class EmailSendingJob : BackgroundJob<EmailSendingArgs>, ITransientDependency
     {
         private readonly IEmailSender _emailSender;
 
diff --git a/docs/zh-Hans/Background-Jobs.md b/docs/zh-Hans/Background-Jobs.md
index c66330f816..30b6f0f1ad 100644
--- a/docs/zh-Hans/Background-Jobs.md
+++ b/docs/zh-Hans/Background-Jobs.md
@@ -42,7 +42,7 @@ using Volo.Abp.Emailing;
 
 namespace MyProject
 {
-    public class EmailSendingJob : BackgroundJob<EmailSendingArgs>
+    public class EmailSendingJob : BackgroundJob<EmailSendingArgs>, ITransientDependency
     {
         private readonly IEmailSender _emailSender;