diff --git a/backend/internal/models/models.go b/backend/internal/models/models.go
index 7965aa6..edb3748 100644
--- a/backend/internal/models/models.go
+++ b/backend/internal/models/models.go
@@ -85,13 +85,16 @@ type Option struct {
 }
 
 type QuizAttempt struct {
-	ID           int       `json:"id"`
-	UserID       int64     `json:"user_id"`
-	QuizID       int       `json:"quiz_id"`
-	Score        int       `json:"score"`
-	StarsEarned  int       `json:"stars_earned"`
-	CompletedAt  time.Time `json:"completed_at"`
-	Answers      []UserAnswer `json:"answers"` // Stored as JSONB
+	ID            int       `json:"id"`
+	UserID        int64     `json:"user_id"`
+	QuizID        int       `json:"quiz_id"`
+	Score         int       `json:"score"`
+	StarsEarned   int       `json:"stars_earned"`
+	CompletedAt   time.Time `json:"completed_at"`
+	Answers       []UserAnswer `json:"answers"` // Stored as JSONB
+	// Additional fields for response
+	CorrectAnswers int      `json:"correct_answers"`
+	TotalQuestions int      `json:"total_questions"`
 }
 
 type Reward struct {
diff --git a/backend/internal/service/quiz_service.go b/backend/internal/service/quiz_service.go
index 74a6f7e..20d0bd6 100644
--- a/backend/internal/service/quiz_service.go
+++ b/backend/internal/service/quiz_service.go
@@ -125,11 +125,13 @@ func (s *quizService) SubmitQuiz(ctx context.Context, userID int64, quizID int,
 
 	// --- Database Transaction ---
 	attempt := &models.QuizAttempt{
-		UserID:      userID,
-		QuizID:      quizID,
-		Score:       score,
-		StarsEarned: starsEarned,
-		Answers:     submission.Answers,
+		UserID:        userID,
+		QuizID:        quizID,
+		Score:         score,
+		StarsEarned:   starsEarned,
+		Answers:       submission.Answers,
+		CorrectAnswers: score,
+		TotalQuestions: len(quiz.Questions),
 	}
 
 	tx, err := s.db.Begin(ctx)
diff --git a/frontend/src/components/DeepLinkHandler.tsx b/frontend/src/components/DeepLinkHandler.tsx
index fa87102..7745ce0 100644
--- a/frontend/src/components/DeepLinkHandler.tsx
+++ b/frontend/src/components/DeepLinkHandler.tsx
@@ -75,7 +75,7 @@ export const DeepLinkHandler: React.FC<DeepLinkHandlerProps> = ({ onActionComple
         setResult({
           type: 'reward',
           value: stars,
-          message: response.data.message || `Вы получили ${stars} ⭐!`
+          message: response.data.message || `Вы получили ${stars}!`
         });
 
         // Update user balance
@@ -232,7 +232,7 @@ export const DeepLinkHandler: React.FC<DeepLinkHandlerProps> = ({ onActionComple
                 variant="body1"
                 sx={{ color: '#ffffff', mb: 1 }}
               >
-                Вы получили {result.value} ⭐
+                Вы получили {result.value}
               </Typography>
               <Typography
                 variant="body2"
diff --git a/frontend/src/components/ui/CardQuiz.tsx b/frontend/src/components/ui/CardQuiz.tsx
index de7c0b9..6d37b57 100644
--- a/frontend/src/components/ui/CardQuiz.tsx
+++ b/frontend/src/components/ui/CardQuiz.tsx
@@ -155,7 +155,7 @@ export const CardQuiz: React.FC<CardQuizProps> = ({
                 }}
               />
             }
-            label={`+${quiz.reward_stars} ⭐`}
+            label={`+${quiz.reward_stars}`}
             size="small"
             sx={{
               backgroundColor: 'rgba(255, 215, 0, 0.15)',
diff --git a/frontend/src/components/ui/CardReward.tsx b/frontend/src/components/ui/CardReward.tsx
index 7e07615..a69c3e2 100644
--- a/frontend/src/components/ui/CardReward.tsx
+++ b/frontend/src/components/ui/CardReward.tsx
@@ -229,7 +229,7 @@ export const CardReward: React.FC<CardRewardProps> = ({
                 }}
               />
             }
-            label={`${reward.price_stars.toLocaleString()} ⭐`}
+            label={`${reward.price_stars.toLocaleString()}`}
             size="small"
             sx={{
               backgroundColor: canAfford
@@ -314,7 +314,7 @@ export const CardReward: React.FC<CardRewardProps> = ({
                   }}
                 >
                   {!canAfford
-                    ? `Не хватает ${reward.price_stars - userStars} ⭐`
+                    ? `Не хватает ${reward.price_stars - userStars} звёзд`
                     : !inStock
                     ? 'Нет в наличии'
                     : !isActive
diff --git a/frontend/src/components/ui/HeaderProfile.tsx b/frontend/src/components/ui/HeaderProfile.tsx
index 93feac8..ae49340 100644
--- a/frontend/src/components/ui/HeaderProfile.tsx
+++ b/frontend/src/components/ui/HeaderProfile.tsx
@@ -107,7 +107,7 @@ export const HeaderProfile: React.FC<HeaderProfileProps> = ({
                 fontSize: 20,
               }}
             >
-              {starsBalance.toLocaleString()} ⭐
+              {starsBalance.toLocaleString()}
             </Typography>
           </Box>
         </Box>
diff --git a/frontend/src/pages/AdminPage.tsx b/frontend/src/pages/AdminPage.tsx
index 59a0fc1..8e34582 100644
--- a/frontend/src/pages/AdminPage.tsx
+++ b/frontend/src/pages/AdminPage.tsx
@@ -625,7 +625,7 @@ export const AdminPage: React.FC = () => {
                 <TableRow key={quiz.id}>
                   <TableCell sx={{ color: '#ffffff' }}>{quiz.title}</TableCell>
                   <TableCell sx={{ color: '#ffffff' }}>{quiz.questions?.length || 0}</TableCell>
-                  <TableCell sx={{ color: '#ffffff' }}>{quiz.reward_stars} ⭐</TableCell>
+                  <TableCell sx={{ color: '#ffffff' }}>{quiz.reward_stars}</TableCell>
                   <TableCell>
                     <Chip
                       label={quiz.is_active ? 'Активна' : 'Неактивна'}
@@ -695,7 +695,7 @@ export const AdminPage: React.FC = () => {
               {rewards.map((reward) => (
                 <TableRow key={reward.id}>
                   <TableCell sx={{ color: '#ffffff' }}>{reward.title}</TableCell>
-                  <TableCell sx={{ color: '#ffffff' }}>{reward.price_stars} ⭐</TableCell>
+                  <TableCell sx={{ color: '#ffffff' }}>{reward.price_stars}</TableCell>
                   <TableCell sx={{ color: '#ffffff' }}>
                     {reward.stock === -1 ? '∞' : reward.stock}
                   </TableCell>
diff --git a/frontend/src/pages/ProfilePage.tsx b/frontend/src/pages/ProfilePage.tsx
index 1e7d931..9b7454f 100644
--- a/frontend/src/pages/ProfilePage.tsx
+++ b/frontend/src/pages/ProfilePage.tsx
@@ -94,10 +94,7 @@ export const ProfilePage: React.FC = () => {
     });
   };
 
-  const handleLogout = () => {
-    logout();
-  };
-
+  
   if (loading) {
     return (
       <Box sx={{ display: 'flex', justifyContent: 'center', mt: 4 }}>
@@ -193,7 +190,7 @@ export const ProfilePage: React.FC = () => {
             sx={{
               display: 'flex',
               alignItems: 'center',
-              justifyContent: 'space-between',
+              justifyContent: 'center',
               backgroundColor: 'rgba(255, 215, 0, 0.1)',
               p: 2,
               borderRadius: 1,
@@ -206,23 +203,9 @@ export const ProfilePage: React.FC = () => {
                 variant="h6"
                 sx={{ color: '#FFD700', fontWeight: 'bold' }}
               >
-                {user?.stars_balance} ⭐
+                {user?.stars_balance}
               </Typography>
             </Box>
-            <Button
-              variant="outlined"
-              onClick={handleLogout}
-              sx={{
-                borderColor: '#f44336',
-                color: '#f44336',
-                '&:hover': {
-                  borderColor: '#f44336',
-                  backgroundColor: 'rgba(244, 67, 54, 0.1)',
-                },
-              }}
-            >
-              Выйти
-            </Button>
           </Box>
         </CardContent>
       </Card>
@@ -296,7 +279,7 @@ export const ProfilePage: React.FC = () => {
                   }
                 />
                 <Chip
-                  label={`${transaction.type === 'earned' ? '+' : ''}${transaction.amount} ⭐`}
+                  label={`${transaction.type === 'earned' ? '+' : ''}${transaction.amount}`}
                   size="small"
                   sx={{
                     backgroundColor:
@@ -356,7 +339,7 @@ export const ProfilePage: React.FC = () => {
                 />
                 <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1 }}>
                   <Chip
-                    label={`${purchase.stars_spent} ⭐`}
+                    label={`${purchase.stars_spent}`}
                     size="small"
                     sx={{
                       backgroundColor: 'rgba(255, 215, 0, 0.2)',
diff --git a/frontend/src/pages/QRScannerPage.tsx b/frontend/src/pages/QRScannerPage.tsx
index 8a1fa45..87acdc0 100644
--- a/frontend/src/pages/QRScannerPage.tsx
+++ b/frontend/src/pages/QRScannerPage.tsx
@@ -108,7 +108,7 @@ export const QRScannerPage: React.FC = () => {
         // Handle different response structures
         if (response.data.type === 'REWARD') {
           transformedData.value = response.data.data.amount;
-          transformedData.message = `Вы получили ${response.data.data.amount} ⭐`;
+          transformedData.message = `Вы получили ${response.data.data.amount}`;
         } else if (response.data.type === 'OPEN_QUIZ') {
           transformedData.value = response.data.data.id;
           transformedData.message = `Викторина: ${response.data.data.title}`;
@@ -375,7 +375,7 @@ export const QRScannerPage: React.FC = () => {
                 variant="body1"
                 sx={{ color: '#ffffff', mb: 1 }}
               >
-                Вы получили {result.value} ⭐
+                Вы получили {result.value}
               </Typography>
               <Typography
                 variant="body2"
diff --git a/frontend/src/pages/QuizPage.tsx b/frontend/src/pages/QuizPage.tsx
index 370bbba..789360a 100644
--- a/frontend/src/pages/QuizPage.tsx
+++ b/frontend/src/pages/QuizPage.tsx
@@ -113,7 +113,9 @@ export const QuizPage: React.FC = () => {
 
     try {
       const response = await apiService.submitQuiz(parseInt(id), { answers });
+      console.log('Submit quiz response:', response);
       if (response.success && response.data) {
+        console.log('Quiz submission successful, data:', response.data);
         // Update user balance with earned stars
         if (response.data.stars_earned > 0) {
           updateUser({
@@ -129,6 +131,7 @@ export const QuizPage: React.FC = () => {
           }
         });
       } else {
+        console.log('Quiz submission failed:', response);
         setError('Не удалось отправить ответы');
       }
     } catch (err) {
diff --git a/frontend/src/pages/QuizResultPage.tsx b/frontend/src/pages/QuizResultPage.tsx
index 11aa0b2..1cd2fea 100644
--- a/frontend/src/pages/QuizResultPage.tsx
+++ b/frontend/src/pages/QuizResultPage.tsx
@@ -28,6 +28,10 @@ export const QuizResultPage: React.FC = () => {
 
   const state = location.state as LocationState;
 
+  useEffect(() => {
+    console.log('QuizResultPage state:', state);
+  }, [state]);
+
   useEffect(() => {
     if (!state) {
       navigate('/home');
@@ -56,6 +60,14 @@ export const QuizResultPage: React.FC = () => {
     ? Math.round((result.correct_answers / result.total_questions) * 100)
     : 0;
 
+  console.log('Result data:', {
+    result,
+    quizTitle,
+    percentage,
+    correctAnswers: result.correct_answers,
+    totalQuestions: result.total_questions
+  });
+
   return (
     <Box>
       {/* Result Header */}
@@ -96,31 +108,38 @@ export const QuizResultPage: React.FC = () => {
           {/* Score Circle */}
           <Box
             sx={{
-              width: 120,
-              height: 120,
-              borderRadius: '50%',
-              backgroundColor: '#FFD700',
               display: 'flex',
-              alignItems: 'center',
               justifyContent: 'center',
-              margin: '0 auto 3',
-              border: '4px solid #ffffff',
-              boxShadow: '0 0 20px rgba(255, 215, 0, 0.5)',
+              mb: 2,
             }}
           >
-            <Typography
-              variant="h3"
+            <Box
               sx={{
-                color: '#000000',
-                fontWeight: 'bold',
+                width: 80,
+                height: 80,
+                borderRadius: '50%',
+                backgroundColor: '#FFD700',
+                display: 'flex',
+                alignItems: 'center',
+                justifyContent: 'center',
+                border: '3px solid #ffffff',
+                boxShadow: '0 0 15px rgba(255, 215, 0, 0.5)',
               }}
             >
-              {percentage}%
-            </Typography>
+              <Typography
+                variant="h4"
+                sx={{
+                  color: '#000000',
+                  fontWeight: 'bold',
+                }}
+              >
+                {percentage}%
+              </Typography>
+            </Box>
           </Box>
 
           {/* Score Details */}
-          <Box sx={{ textAlign: 'center', mb: 3 }}>
+          <Box sx={{ textAlign: 'center', mb: 3, mt: 2 }}>
             <Typography
               variant="h6"
               sx={{
@@ -159,7 +178,7 @@ export const QuizResultPage: React.FC = () => {
                 fontWeight: 'bold',
               }}
             >
-              +{result.stars_earned} ⭐ начислено!
+              +{result.stars_earned} начислено!
             </Typography>
           </Box>
         </CardContent>
diff --git a/frontend/src/pages/ShopPage.tsx b/frontend/src/pages/ShopPage.tsx
index 0872a44..5a2668f 100644
--- a/frontend/src/pages/ShopPage.tsx
+++ b/frontend/src/pages/ShopPage.tsx
@@ -138,7 +138,7 @@ export const ShopPage: React.FC = () => {
             gap: 1,
           }}
         >
-          Ваш баланс: {user?.stars_balance} ⭐
+          Ваш баланс: {user?.stars_balance}
         </Typography>
       </Box>
 
@@ -195,7 +195,7 @@ export const ShopPage: React.FC = () => {
                 {/* Price and Status */}
                 <Box sx={{ display: 'flex', alignItems: 'center', gap: 1, mb: 2 }}>
                   <Chip
-                    label={`${reward.price_stars} ⭐`}
+                    label={`${reward.price_stars}`}
                     size="small"
                     sx={{
                       backgroundColor: canAfford(reward.price_stars)
@@ -251,7 +251,7 @@ export const ShopPage: React.FC = () => {
                   }}
                 >
                   {!canAfford(reward.price_stars)
-                    ? 'Недостаточно ⭐'
+                    ? 'Недостаточно звёзд'
                     : !isInStock(reward.stock)
                     ? 'Нет в наличии'
                     : 'Купить'
@@ -315,7 +315,7 @@ export const ShopPage: React.FC = () => {
             variant="body1"
             sx={{ color: '#888', mb: 1 }}
           >
-            Вы уверены, что хотите купить "{selectedReward?.title}" за {selectedReward?.price_stars} ⭐?
+            Вы уверены, что хотите купить "{selectedReward?.title}" за {selectedReward?.price_stars}?
           </Typography>
           <Box sx={{ display: 'flex', gap: 2, mt: 3 }}>
             <Button
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index d10208d..6eec684 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -58,10 +58,15 @@ export interface SubmissionRequest {
 }
 
 export interface SubmissionResponse {
+  id: number;
+  user_id: number;
+  quiz_id: number;
   score: number;
-  total_questions: number;
   stars_earned: number;
+  completed_at: string;
+  answers: UserAnswer[];
   correct_answers: number;
+  total_questions: number;
 }
 
 export interface CanRepeatResponse {