diff --git a/server/skillhub-infra/src/main/java/com/iflytek/skillhub/infra/jpa/JpaSkillSubscriptionRepository.java b/server/skillhub-infra/src/main/java/com/iflytek/skillhub/infra/jpa/JpaSkillSubscriptionRepository.java
new file mode 100644
index 00000000..83d5eb6c
--- /dev/null
+++ b/server/skillhub-infra/src/main/java/com/iflytek/skillhub/infra/jpa/JpaSkillSubscriptionRepository.java
@@ -0,0 +1,20 @@
+package com.iflytek.skillhub.infra.jpa;
+
+import com.iflytek.skillhub.domain.social.SkillSubscription;
+import com.iflytek.skillhub.domain.social.SkillSubscriptionRepository;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.Optional;
+
+@Repository
+public interface JpaSkillSubscriptionRepository extends JpaRepository<SkillSubscription, Long>, SkillSubscriptionRepository {
+    Optional<SkillSubscription> findBySkillIdAndUserId(Long skillId, String userId);
+    void deleteBySkillId(Long skillId);
+    Page<SkillSubscription> findByUserId(String userId, Pageable pageable);
+    List<SkillSubscription> findAllBySkillId(Long skillId);
+    long countBySkillId(Long skillId);
+}