diff --git a/proto/feedback.proto b/proto/feedback.proto
index 5901f54..fd85bc8 100644
--- a/proto/feedback.proto
+++ b/proto/feedback.proto
@@ -9,7 +9,8 @@ message PronunciationFeedbackDTO {
     int32 pronunciation_score = 4;
     int32 volume_score = 5;
     int32 speed_score = 6;
-    string overall_feedback = 7;
+    string positive_feedback = 7;
+    string negative_feedback = 8;
 }
 
 message GetPronunciationFeedbackRequest {
@@ -23,7 +24,9 @@ message GetPronunciationFeedbackResponse {
 
 message CommunicationFeedbackDTO {
     string scene_id = 1;
-    string overall_feedback = 2;
+    string positive_feedback = 2;
+    string negative_feedback = 3;
+    string enhanced_answer = 4;
 }
 
 message GetCommunicationFeedbackRequest {
diff --git a/proto/internal.proto b/proto/internal.proto
index 84ad018..669a096 100644
--- a/proto/internal.proto
+++ b/proto/internal.proto
@@ -11,9 +11,9 @@ message PronunciationFeedbackRequest {
 message PronunciationFeedbackResponse {
   string transcript = 1;
   repeated int32 incorrect_indexes = 2;
-  double pronunciation_score = 3;
-  double decibel = 4;
-  double speech_rate = 5;
+  int32 pronunciation_score = 3;
+  int32 volume_score = 4;
+  int32 speed_score = 5;
   string positive_feedback = 6;
   string negative_feedback = 7;
 }