diff --git a/BE/exceed/src/main/java/com/gaebaljip/exceed/adapter/out/redis/RedisAdapter.java b/BE/exceed/src/main/java/com/gaebaljip/exceed/adapter/out/redis/RedisAdapter.java
index ba720ee3..c60f0330 100644
--- a/BE/exceed/src/main/java/com/gaebaljip/exceed/adapter/out/redis/RedisAdapter.java
+++ b/BE/exceed/src/main/java/com/gaebaljip/exceed/adapter/out/redis/RedisAdapter.java
@@ -22,12 +22,12 @@ public void saveWithExpiration(String key, String code, Long expiredTime) {
 
     @Override
     @Timer
-    public Optional<String> query(String email) {
-        return Optional.ofNullable(redisUtils.getData(email));
+    public Optional<String> query(String key) {
+        return Optional.ofNullable(redisUtils.getData(key));
     }
 
     @Override
-    public void delete(String email) {
-        redisUtils.deleteData(email);
+    public void delete(String key) {
+        redisUtils.deleteData(key);
     }
 }
diff --git a/BE/exceed/src/main/java/com/gaebaljip/exceed/application/port/out/member/CodePort.java b/BE/exceed/src/main/java/com/gaebaljip/exceed/application/port/out/member/CodePort.java
index 414c4869..54a1262c 100644
--- a/BE/exceed/src/main/java/com/gaebaljip/exceed/application/port/out/member/CodePort.java
+++ b/BE/exceed/src/main/java/com/gaebaljip/exceed/application/port/out/member/CodePort.java
@@ -6,9 +6,9 @@
 
 @Component
 public interface CodePort {
-    void saveWithExpiration(String email, String code, Long expiredTime);
+    void saveWithExpiration(String key, String code, Long expiredTime);
 
-    Optional<String> query(String email);
+    Optional<String> query(String key);
 
-    void delete(String email);
+    void delete(String key);
 }