diff --git a/src/main/java/com/loafle/bridge/collector/CollectorController.java b/src/main/java/com/loafle/bridge/collector/CollectorController.java
index a4cf62e..6d5b039 100644
--- a/src/main/java/com/loafle/bridge/collector/CollectorController.java
+++ b/src/main/java/com/loafle/bridge/collector/CollectorController.java
@@ -14,7 +14,7 @@ public class CollectorController {
     private CollectorRepository repository;
 
     @RequestMapping(value = "/collector/{productId}", method = RequestMethod.GET)
-    public Collector get(@PathVariable(value = "productId") long productId) {
+    public Collector get(@PathVariable(value = "productId") String productId) {
         return repository.findByPID(productId);
     }
 
diff --git a/src/main/java/com/loafle/bridge/collector/CollectorRepository.java b/src/main/java/com/loafle/bridge/collector/CollectorRepository.java
index e925b97..a6629b0 100644
--- a/src/main/java/com/loafle/bridge/collector/CollectorRepository.java
+++ b/src/main/java/com/loafle/bridge/collector/CollectorRepository.java
@@ -12,5 +12,5 @@ import org.springframework.data.rest.core.annotation.RepositoryRestResource;
 public interface CollectorRepository extends JpaRepository<Collector, Long> {
 
     @Query("SELECT c FROM Collector c where c.productId = :productId")
-    Collector findByPID(@Param("productId") Long productId);
+    Collector findByPID(@Param("productId") String productId);
 }