diff --git a/src/main/java/org/runimo/runimo/auth/service/dto/SignupUserResponse.java b/src/main/java/org/runimo/runimo/auth/service/dto/SignupUserResponse.java
index c85d4d5..10746a5 100644
--- a/src/main/java/org/runimo/runimo/auth/service/dto/SignupUserResponse.java
+++ b/src/main/java/org/runimo/runimo/auth/service/dto/SignupUserResponse.java
@@ -11,7 +11,8 @@ public record SignupUserResponse(
     String greetingEggName,
     String greetingEggType,
     String greetingEggImgUrl,
-    String eggCode
+    String eggCode,
+    Long eggId
 ) {
 
     public SignupUserResponse(final User user, final TokenPair tokenPair, final Egg greetingEgg,
@@ -23,7 +24,8 @@ public SignupUserResponse(final User user, final TokenPair tokenPair, final Egg
             greetingEgg.getName(),
             greetingEgg.getEggType().getName(),
             greetingEgg.getImgUrl(),
-            eggCode
+            eggCode,
+            greetingEgg.getId()
         );
     }
 }
diff --git a/src/test/java/org/runimo/runimo/auth/controller/AuthAcceptanceTest.java b/src/test/java/org/runimo/runimo/auth/controller/AuthAcceptanceTest.java
index cef14ba..950f2df 100644
--- a/src/test/java/org/runimo/runimo/auth/controller/AuthAcceptanceTest.java
+++ b/src/test/java/org/runimo/runimo/auth/controller/AuthAcceptanceTest.java
@@ -95,7 +95,8 @@ void tearDown() {
             .log().all()
             .body("payload.nickname", equalTo("username"))
             .body("payload.token_pair.access_token", notNullValue())
-            .body("payload.token_pair.refresh_token", notNullValue());
+            .body("payload.token_pair.refresh_token", notNullValue())
+            .body("payload.egg_id", notNullValue());
     }
 
     @Test
diff --git a/src/test/java/org/runimo/runimo/auth/controller/AuthControllerTest.java b/src/test/java/org/runimo/runimo/auth/controller/AuthControllerTest.java
index 18bb3a3..24f59e3 100644
--- a/src/test/java/org/runimo/runimo/auth/controller/AuthControllerTest.java
+++ b/src/test/java/org/runimo/runimo/auth/controller/AuthControllerTest.java
@@ -157,7 +157,8 @@ class AuthControllerTest {
                 "exmaple_egg_name",
                 "example_egg_type",
                 "example_egg_url",
-                "ECODE"
+                "ECODE",
+                1L
             )
         );
 
@@ -196,7 +197,8 @@ class AuthControllerTest {
                 "exmaple_egg_name",
                 "example_egg_type",
                 "example_egg_url",
-                "ECODE"
+                "ECODE",
+                1L
             )
         );
 
diff --git a/src/test/java/org/runimo/runimo/user/api/UserItemAcceptanceTest.java b/src/test/java/org/runimo/runimo/user/api/UserItemAcceptanceTest.java
index d0567f9..17cc4b8 100644
--- a/src/test/java/org/runimo/runimo/user/api/UserItemAcceptanceTest.java
+++ b/src/test/java/org/runimo/runimo/user/api/UserItemAcceptanceTest.java
@@ -149,7 +149,8 @@ void tearDown() {
                 "마당알",
                 "MADANG",
                 "test.url",
-                "ECODE"
+                "ECODE",
+                1L
             ));
 
         AuthSignupRequest request = new AuthSignupRequest(