diff --git a/src/main/java/com/DecodEat/domain/products/service/ProductService.java b/src/main/java/com/DecodEat/domain/products/service/ProductService.java
index 53dfadf..fee45f6 100644
--- a/src/main/java/com/DecodEat/domain/products/service/ProductService.java
+++ b/src/main/java/com/DecodEat/domain/products/service/ProductService.java
@@ -61,7 +61,6 @@ public class ProductService {
 
     public ProductDetailDto getDetail(Long id, User user) {
         Product product = productRepository.findById(id).orElseThrow(() -> new GeneralException(PRODUCT_NOT_EXISTED));
-
         if(user != null)
             userBehaviorService.saveUserBehavior(user,product, Behavior.VIEW);
 
diff --git a/src/main/java/com/DecodEat/global/config/WebConfig.java b/src/main/java/com/DecodEat/global/config/WebConfig.java
index 9ce29c5..eeb9d18 100644
--- a/src/main/java/com/DecodEat/global/config/WebConfig.java
+++ b/src/main/java/com/DecodEat/global/config/WebConfig.java
@@ -1,6 +1,7 @@
 package com.DecodEat.global.config;
 
 import com.DecodEat.global.common.annotation.CurrentUserArgumentResolver;
+import com.DecodEat.global.common.annotation.OptionalUserArgumentResolver;
 import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.method.support.HandlerMethodArgumentResolver;
@@ -12,9 +13,11 @@
 @RequiredArgsConstructor
 public class WebConfig implements WebMvcConfigurer {
     private final CurrentUserArgumentResolver currentUserArgumentResolver;
-
+    private final OptionalUserArgumentResolver optionalUserArgumentResolver;
     @Override
     public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers){
         resolvers.add(currentUserArgumentResolver);
+        resolvers.add(optionalUserArgumentResolver);
     }
+
 }