diff --git a/src/main/java/a8k/service/db/dao/SamplesPreProcessModuleCtrlParamsService.java b/src/main/java/a8k/service/db/dao/SamplesPreProcessModuleCtrlParamsService.java
index ce8ab1f..8829252 100644
--- a/src/main/java/a8k/service/db/dao/SamplesPreProcessModuleCtrlParamsService.java
+++ b/src/main/java/a8k/service/db/dao/SamplesPreProcessModuleCtrlParamsService.java
@@ -1,8 +1,11 @@
 package a8k.service.db.dao;
 
+import org.springframework.stereotype.Component;
+
 /**
  * 样本预处理相关参数访问
  */
+@Component
 public class SamplesPreProcessModuleCtrlParamsService {
 
 	/**