diff --git a/docs/dev_guide/KnowStreaming Task模块简介.md b/docs/dev_guide/KnowStreaming Task模块简介.md
index c800991e..2bd9f178 100644
--- a/docs/dev_guide/KnowStreaming Task模块简介.md	
+++ b/docs/dev_guide/KnowStreaming Task模块简介.md	
@@ -224,7 +224,7 @@ public abstract class AbstractClusterPhyDispatchTask extends AbstractDispatchTas
 // 继承AbstractClusterPhyDispatchTask类 
 public class KMJobTask extends AbstractClusterPhyDispatchTask {  
 
-				@Autowired   
+	@Autowired   
         private JobService jobService;  
         
         // 执行该Kafka集群的Job模块的任务