diff --git a/src/main/java/com/xkrs/newpro/dao/QcItemDao.java b/src/main/java/com/xkrs/newpro/dao/QcItemDao.java
new file mode 100644
index 0000000..b954341
--- /dev/null
+++ b/src/main/java/com/xkrs/newpro/dao/QcItemDao.java
@@ -0,0 +1,10 @@
+package com.xkrs.newpro.dao;
+
+import com.xkrs.newpro.entity.QcItemEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.stereotype.Component;
+
+@Component
+public interface QcItemDao extends JpaRepository<QcItemEntity, Long>, JpaSpecificationExecutor<QcItemEntity> {
+}
diff --git a/src/main/java/com/xkrs/newpro/dao/QcSourceDao.java b/src/main/java/com/xkrs/newpro/dao/QcSourceDao.java
new file mode 100644
index 0000000..be47a61
--- /dev/null
+++ b/src/main/java/com/xkrs/newpro/dao/QcSourceDao.java
@@ -0,0 +1,10 @@
+package com.xkrs.newpro.dao;
+
+import com.xkrs.newpro.entity.QcSourceEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.stereotype.Component;
+
+@Component
+public interface QcSourceDao extends JpaRepository<QcSourceEntity, Long>, JpaSpecificationExecutor<QcSourceEntity> {
+}
\ No newline at end of file
diff --git a/src/main/java/com/xkrs/newpro/dao/QcSpecDao.java b/src/main/java/com/xkrs/newpro/dao/QcSpecDao.java
new file mode 100644
index 0000000..eb14e1b
--- /dev/null
+++ b/src/main/java/com/xkrs/newpro/dao/QcSpecDao.java
@@ -0,0 +1,10 @@
+package com.xkrs.newpro.dao;
+
+import com.xkrs.newpro.entity.QcSpecEntity;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.stereotype.Component;
+
+@Component
+public interface QcSpecDao extends JpaRepository<QcSpecEntity, Long>, JpaSpecificationExecutor<QcSpecEntity> {
+}
\ No newline at end of file