diff --git a/backend/internal/handler/openai_images.go b/backend/internal/handler/openai_images.go
index 7ae070f6c6..814a515a1e 100644
--- a/backend/internal/handler/openai_images.go
+++ b/backend/internal/handler/openai_images.go
@@ -91,6 +91,8 @@ func (h *OpenAIGatewayHandler) Images(c *gin.Context) {
 		zap.Bool("stream", parsed.Stream),
 		zap.Bool("multipart", parsed.Multipart),
 		zap.String("capability", string(parsed.RequiredCapability)),
+		zap.String("img_quality", parsed.Quality),
+		zap.String("img_size", parsed.Size),
 	)
 
 	if !service.GroupAllowsImageGeneration(apiKey.Group) {
diff --git a/backend/internal/handler/openai_images_failover_test.go b/backend/internal/handler/openai_images_failover_test.go
index e5101d0148..8b07cb9a52 100644
--- a/backend/internal/handler/openai_images_failover_test.go
+++ b/backend/internal/handler/openai_images_failover_test.go
@@ -12,11 +12,14 @@ import (
 	"testing"
 
 	"github.com/Wei-Shaw/sub2api/internal/config"
+	"github.com/Wei-Shaw/sub2api/internal/pkg/logger"
 	middleware2 "github.com/Wei-Shaw/sub2api/internal/server/middleware"
 	"github.com/Wei-Shaw/sub2api/internal/service"
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/require"
 	"github.com/tidwall/gjson"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zaptest/observer"
 )
 
 type openAIImagesFailoverAccountRepo struct {
@@ -154,8 +157,10 @@ func TestOpenAIGatewayHandlerImages_ServerErrorFailsOverAndReturnsClearErrorWhen
 	)
 	handler.maxAccountSwitches = 10
 
-	body := []byte(`{"model":"gpt-image-2","prompt":"draw a cat"}`)
-	req := httptest.NewRequest(http.MethodPost, "/v1/images/generations", bytes.NewReader(body))
+	body := []byte(`{"model":"gpt-image-2","prompt":"draw a cat","quality":"high","size":"1536x1024"}`)
+	core, observedLogs := observer.New(zap.DebugLevel)
+	requestCtx := logger.IntoContext(context.Background(), zap.New(core))
+	req := httptest.NewRequest(http.MethodPost, "/v1/images/generations", bytes.NewReader(body)).WithContext(requestCtx)
 	req.Header.Set("Content-Type", "application/json")
 	rec := httptest.NewRecorder()
 	c, _ := gin.CreateTestContext(rec)
@@ -173,6 +178,16 @@ func TestOpenAIGatewayHandlerImages_ServerErrorFailsOverAndReturnsClearErrorWhen
 
 	handler.Images(c)
 
+	accountSelectingLogs := observedLogs.FilterMessage("openai.images.account_selecting").All()
+	require.NotEmpty(t, accountSelectingLogs)
+	loggedFields := make(map[string]string)
+	for _, field := range accountSelectingLogs[0].Context {
+		loggedFields[field.Key] = field.String
+	}
+	require.Equal(t, "high", loggedFields["img_quality"])
+	require.Equal(t, "1536x1024", loggedFields["img_size"])
+	require.NotContains(t, loggedFields, "prompt")
+
 	require.Equal(t, []int64{1, 2}, upstream.calls())
 	require.Equal(t, http.StatusBadGateway, rec.Code)
 	require.Equal(t, "upstream_error", gjson.GetBytes(rec.Body.Bytes(), "error.type").String())