diff --git a/dto/openai_image.go b/dto/openai_image.go
index fdef12b1a7d..416697e3b8c 100644
--- a/dto/openai_image.go
+++ b/dto/openai_image.go
@@ -26,11 +26,11 @@ type ImageRequest struct {
 	OutputFormat      json.RawMessage `json:"output_format,omitempty"`
 	OutputCompression json.RawMessage `json:"output_compression,omitempty"`
 	PartialImages     json.RawMessage `json:"partial_images,omitempty"`
-	// Stream            bool            `json:"stream,omitempty"`
-	Images        json.RawMessage `json:"images,omitempty"`
-	Mask          json.RawMessage `json:"mask,omitempty"`
-	InputFidelity json.RawMessage `json:"input_fidelity,omitempty"`
-	Watermark     *bool           `json:"watermark,omitempty"`
+	Stream            bool            `json:"stream,omitempty"`
+	Images            json.RawMessage `json:"images,omitempty"`
+	Mask              json.RawMessage `json:"mask,omitempty"`
+	InputFidelity     json.RawMessage `json:"input_fidelity,omitempty"`
+	Watermark         *bool           `json:"watermark,omitempty"`
 	// zhipu 4v
 	WatermarkEnabled json.RawMessage `json:"watermark_enabled,omitempty"`
 	UserId           json.RawMessage `json:"user_id,omitempty"`
@@ -163,7 +163,7 @@ func (i *ImageRequest) GetTokenCountMeta() *types.TokenCountMeta {
 }
 
 func (i *ImageRequest) IsStream(c *gin.Context) bool {
-	return false
+	return i.Stream
 }
 
 func (i *ImageRequest) SetModelName(modelName string) {
diff --git a/dto/openai_image_test.go b/dto/openai_image_test.go
new file mode 100644
index 00000000000..27e13637745
--- /dev/null
+++ b/dto/openai_image_test.go
@@ -0,0 +1,16 @@
+package dto
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// TestImageRequestStreamJSON verifies that image requests preserve stream=true.
+func TestImageRequestStreamJSON(t *testing.T) {
+	var req ImageRequest
+	require.NoError(t, req.UnmarshalJSON([]byte(`{"model":"gpt-image-1","prompt":"draw a cat","stream":true}`)))
+
+	require.True(t, req.Stream)
+	require.True(t, req.IsStream(nil))
+}
diff --git a/relay/channel/openai/adaptor.go b/relay/channel/openai/adaptor.go
index 6941ca54a73..fe797d98a2c 100644
--- a/relay/channel/openai/adaptor.go
+++ b/relay/channel/openai/adaptor.go
@@ -9,6 +9,7 @@ import (
 	"mime/multipart"
 	"net/http"
 	"net/textproto"
+	"net/url"
 	"path/filepath"
 	"strings"
 
@@ -437,10 +438,13 @@ func (a *Adaptor) ConvertImageRequest(c *gin.Context, info *relaycommon.RelayInf
 		// 使用已解析的 multipart 表单，避免重复解析
 		mf := c.Request.MultipartForm
 		if mf == nil {
-			if _, err := c.MultipartForm(); err != nil {
-				return nil, errors.New("failed to parse multipart form")
+			form, err := common.ParseMultipartFormReusable(c)
+			if err != nil {
+				return nil, fmt.Errorf("failed to parse multipart form: %w", err)
 			}
-			mf = c.Request.MultipartForm
+			c.Request.MultipartForm = form
+			c.Request.PostForm = url.Values(form.Value)
+			mf = form
 		}
 
 		// 写入所有非文件字段
@@ -623,7 +627,11 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	case relayconstant.RelayModeAudioTranscription:
 		err, usage = OpenaiSTTHandler(c, resp, info, a.ResponseFormat)
 	case relayconstant.RelayModeImagesGenerations, relayconstant.RelayModeImagesEdits:
-		usage, err = OpenaiHandlerWithUsage(c, info, resp)
+		if info.IsStream {
+			usage, err = OpenaiImageStreamHandler(c, info, resp)
+		} else {
+			usage, err = OpenaiHandlerWithUsage(c, info, resp)
+		}
 	case relayconstant.RelayModeRerank:
 		usage, err = common_handler.RerankHandler(c, info, resp)
 	case relayconstant.RelayModeResponses:
diff --git a/relay/channel/openai/image_edit_test.go b/relay/channel/openai/image_edit_test.go
new file mode 100644
index 00000000000..b37551b04da
--- /dev/null
+++ b/relay/channel/openai/image_edit_test.go
@@ -0,0 +1,121 @@
+package openai
+
+import (
+	"bytes"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/QuantumNous/new-api/common"
+	"github.com/QuantumNous/new-api/dto"
+	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	relayconstant "github.com/QuantumNous/new-api/relay/constant"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+// TestConvertImageEditRequestKeepsValidMultipartStreamFields verifies multipart replay.
+func TestConvertImageEditRequestKeepsValidMultipartStreamFields(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	var body bytes.Buffer
+	writer := multipart.NewWriter(&body)
+	require.NoError(t, writer.WriteField("model", "gpt-image-1"))
+	require.NoError(t, writer.WriteField("prompt", "edit this image"))
+	require.NoError(t, writer.WriteField("stream", "true"))
+	require.NoError(t, writer.WriteField("partial_images", "3"))
+	part, err := writer.CreateFormFile("image", "input.png")
+	require.NoError(t, err)
+	_, err = part.Write([]byte("fake image"))
+	require.NoError(t, err)
+	require.NoError(t, writer.Close())
+
+	recorder := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(recorder)
+	c.Request = httptest.NewRequest(http.MethodPost, "/v1/images/edits", &body)
+	c.Request.Header.Set("Content-Type", writer.FormDataContentType())
+	require.NoError(t, c.Request.ParseMultipartForm(32<<20))
+
+	info := &relaycommon.RelayInfo{
+		RelayMode: relayconstant.RelayModeImagesEdits,
+	}
+	request := dto.ImageRequest{
+		Model:  "gpt-image-1",
+		Prompt: "edit this image",
+		Stream: true,
+	}
+
+	converted, err := (&Adaptor{}).ConvertImageRequest(c, info, request)
+	require.NoError(t, err)
+
+	convertedBody, ok := converted.(*bytes.Buffer)
+	require.True(t, ok)
+
+	contentType := c.Request.Header.Get("Content-Type")
+	replayedRequest := httptest.NewRequest(http.MethodPost, "/v1/images/edits", bytes.NewReader(convertedBody.Bytes()))
+	replayedRequest.Header.Set("Content-Type", contentType)
+	require.NoError(t, replayedRequest.ParseMultipartForm(32<<20))
+
+	require.Equal(t, "gpt-image-1", replayedRequest.PostForm.Get("model"))
+	require.Equal(t, "edit this image", replayedRequest.PostForm.Get("prompt"))
+	require.Equal(t, "true", replayedRequest.PostForm.Get("stream"))
+	require.Equal(t, "3", replayedRequest.PostForm.Get("partial_images"))
+	require.Len(t, replayedRequest.MultipartForm.File["image"], 1)
+
+	file, err := replayedRequest.MultipartForm.File["image"][0].Open()
+	require.NoError(t, err)
+	defer file.Close()
+	fileBytes, err := io.ReadAll(file)
+	require.NoError(t, err)
+	require.Equal(t, []byte("fake image"), fileBytes)
+}
+
+// TestConvertImageEditRequestParsesReusableMultipartWhenFormIsMissing verifies fallback parsing.
+func TestConvertImageEditRequestParsesReusableMultipartWhenFormIsMissing(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	var body bytes.Buffer
+	writer := multipart.NewWriter(&body)
+	require.NoError(t, writer.WriteField("model", "gpt-image-1"))
+	require.NoError(t, writer.WriteField("prompt", "edit without pre-parsed form"))
+	require.NoError(t, writer.WriteField("stream", "true"))
+	part, err := writer.CreateFormFile("image", "input.png")
+	require.NoError(t, err)
+	_, err = part.Write([]byte("fake image"))
+	require.NoError(t, err)
+	require.NoError(t, writer.Close())
+
+	recorder := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(recorder)
+	c.Request = httptest.NewRequest(http.MethodPost, "/v1/images/edits", &body)
+	c.Request.Header.Set("Content-Type", writer.FormDataContentType())
+
+	storage, err := common.GetBodyStorage(c)
+	require.NoError(t, err)
+	c.Request.Body = io.NopCloser(storage)
+	c.Request.MultipartForm = nil
+	c.Request.PostForm = nil
+
+	info := &relaycommon.RelayInfo{
+		RelayMode: relayconstant.RelayModeImagesEdits,
+	}
+	request := dto.ImageRequest{
+		Model:  "gpt-image-1",
+		Prompt: "edit without pre-parsed form",
+		Stream: true,
+	}
+
+	converted, err := (&Adaptor{}).ConvertImageRequest(c, info, request)
+	require.NoError(t, err)
+
+	convertedBody, ok := converted.(*bytes.Buffer)
+	require.True(t, ok)
+	replayedRequest := httptest.NewRequest(http.MethodPost, "/v1/images/edits", bytes.NewReader(convertedBody.Bytes()))
+	replayedRequest.Header.Set("Content-Type", c.Request.Header.Get("Content-Type"))
+	require.NoError(t, replayedRequest.ParseMultipartForm(32<<20))
+	require.Equal(t, "edit without pre-parsed form", replayedRequest.PostForm.Get("prompt"))
+	require.Equal(t, "true", replayedRequest.PostForm.Get("stream"))
+	require.Len(t, replayedRequest.MultipartForm.File["image"], 1)
+}
diff --git a/relay/channel/openai/image_stream_test.go b/relay/channel/openai/image_stream_test.go
new file mode 100644
index 00000000000..3dcfade620b
--- /dev/null
+++ b/relay/channel/openai/image_stream_test.go
@@ -0,0 +1,85 @@
+package openai
+
+import (
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/QuantumNous/new-api/constant"
+	"github.com/QuantumNous/new-api/dto"
+	relaycommon "github.com/QuantumNous/new-api/relay/common"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+// TestOpenaiImageStreamHandlerForwardsSSEAndUsage verifies image SSE passthrough.
+func TestOpenaiImageStreamHandlerForwardsSSEAndUsage(t *testing.T) {
+	oldMode := gin.Mode()
+	gin.SetMode(gin.TestMode)
+	t.Cleanup(func() { gin.SetMode(oldMode) })
+
+	oldTimeout := constant.StreamingTimeout
+	constant.StreamingTimeout = 30
+	t.Cleanup(func() { constant.StreamingTimeout = oldTimeout })
+
+	body := strings.Join([]string{
+		`event: image_generation.partial_image`,
+		`data: {"type":"image_generation.partial_image","b64_json":"partial"}`,
+		``,
+		`data: {"usage":{"input_tokens":3,"output_tokens":4,"total_tokens":7,"input_tokens_details":{"image_tokens":2,"text_tokens":1}}}`,
+		``,
+		`data: [DONE]`,
+		``,
+	}, "\n")
+
+	recorder := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(recorder)
+	c.Request = httptest.NewRequest(http.MethodPost, "/v1/images/generations", nil)
+
+	resp := &http.Response{
+		StatusCode: http.StatusOK,
+		Body:       io.NopCloser(strings.NewReader(body)),
+		Header:     http.Header{"Content-Type": []string{"text/event-stream"}},
+	}
+	info := &relaycommon.RelayInfo{
+		ChannelMeta: &relaycommon.ChannelMeta{},
+		IsStream:    true,
+	}
+
+	usage, err := OpenaiImageStreamHandler(c, info, resp)
+	require.Nil(t, err)
+	require.Equal(t, 3, usage.PromptTokens)
+	require.Equal(t, 4, usage.CompletionTokens)
+	require.Equal(t, 7, usage.TotalTokens)
+	require.Equal(t, 2, usage.PromptTokensDetails.ImageTokens)
+	require.Equal(t, 1, usage.PromptTokensDetails.TextTokens)
+	require.Contains(t, recorder.Body.String(), `event: image_generation.partial_image`)
+	require.Contains(t, recorder.Body.String(), `data: {"type":"image_generation.partial_image","b64_json":"partial"}`)
+	require.Contains(t, recorder.Body.String(), `data: {"usage":{"input_tokens":3,"output_tokens":4,"total_tokens":7,"input_tokens_details":{"image_tokens":2,"text_tokens":1}}}`)
+	require.Contains(t, recorder.Body.String(), `data: [DONE]`)
+	require.Equal(t, "text/event-stream", recorder.Header().Get("Content-Type"))
+}
+
+// TestNormalizeOpenAIUsageMapsImageTokenDetailsWithoutDoubleCounting verifies ImageRatio inputs.
+func TestNormalizeOpenAIUsageMapsImageTokenDetailsWithoutDoubleCounting(t *testing.T) {
+	usage := &dto.Usage{
+		InputTokens:  5000,
+		OutputTokens: 4000,
+		InputTokensDetails: &dto.InputTokenDetails{
+			CachedCreationTokens: 200,
+			ImageTokens:          1000,
+			TextTokens:           4000,
+		},
+	}
+
+	normalizeOpenAIUsage(usage)
+
+	require.Equal(t, 5000, usage.PromptTokens)
+	require.Equal(t, 4000, usage.CompletionTokens)
+	require.Equal(t, 9000, usage.TotalTokens)
+	require.Equal(t, 200, usage.PromptTokensDetails.CachedCreationTokens)
+	require.Equal(t, 1000, usage.PromptTokensDetails.ImageTokens)
+	require.Equal(t, 4000, usage.PromptTokensDetails.TextTokens)
+}
diff --git a/relay/channel/openai/relay-openai.go b/relay/channel/openai/relay-openai.go
index a85751844c0..3cdfbb0a08e 100644
--- a/relay/channel/openai/relay-openai.go
+++ b/relay/channel/openai/relay-openai.go
@@ -1,6 +1,7 @@
 package openai
 
 import (
+	"bufio"
 	"fmt"
 	"io"
 	"net/http"
@@ -574,22 +575,96 @@ func OpenaiHandlerWithUsage(c *gin.Context, info *relaycommon.RelayInfo, resp *h
 	// 写入新的 response body
 	service.IOCopyBytesGracefully(c, resp, responseBody)
 
-	// Once we've written to the client, we should not return errors anymore
-	// because the upstream has already consumed resources and returned content
-	// We should still perform billing even if parsing fails
-	// format
-	if usageResp.InputTokens > 0 {
-		usageResp.PromptTokens += usageResp.InputTokens
+	normalizeOpenAIUsage(&usageResp.Usage)
+	applyUsagePostProcessing(info, &usageResp.Usage, responseBody)
+	return &usageResp.Usage, nil
+}
+
+// normalizeOpenAIUsage maps OpenAI usage aliases into NewAPI billing fields.
+func normalizeOpenAIUsage(usage *dto.Usage) {
+	if usage == nil {
+		return
 	}
-	if usageResp.OutputTokens > 0 {
-		usageResp.CompletionTokens += usageResp.OutputTokens
+	if usage.InputTokens != 0 {
+		usage.PromptTokens = usage.InputTokens
 	}
-	if usageResp.InputTokensDetails != nil {
-		usageResp.PromptTokensDetails.ImageTokens += usageResp.InputTokensDetails.ImageTokens
-		usageResp.PromptTokensDetails.TextTokens += usageResp.InputTokensDetails.TextTokens
+	if usage.OutputTokens != 0 {
+		usage.CompletionTokens = usage.OutputTokens
 	}
-	applyUsagePostProcessing(info, &usageResp.Usage, responseBody)
-	return &usageResp.Usage, nil
+	if usage.InputTokensDetails != nil {
+		usage.PromptTokensDetails.CachedTokens = usage.InputTokensDetails.CachedTokens
+		usage.PromptTokensDetails.CachedCreationTokens = usage.InputTokensDetails.CachedCreationTokens
+		usage.PromptTokensDetails.ImageTokens = usage.InputTokensDetails.ImageTokens
+		usage.PromptTokensDetails.TextTokens = usage.InputTokensDetails.TextTokens
+		usage.PromptTokensDetails.AudioTokens = usage.InputTokensDetails.AudioTokens
+	}
+	if usage.TotalTokens == 0 {
+		usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens
+	}
+}
+
+// OpenaiImageStreamHandler forwards OpenAI Images SSE events and extracts usage.
+func OpenaiImageStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Response) (*dto.Usage, *types.NewAPIError) {
+	if resp == nil || resp.Body == nil {
+		logger.LogError(c, "invalid image stream response")
+		return nil, types.NewOpenAIError(fmt.Errorf("invalid response"), types.ErrorCodeBadResponse, http.StatusInternalServerError)
+	}
+
+	contentType := strings.ToLower(resp.Header.Get("Content-Type"))
+	if resp.StatusCode < http.StatusOK || resp.StatusCode >= http.StatusMultipleChoices || !strings.Contains(contentType, "text/event-stream") {
+		return OpenaiHandlerWithUsage(c, info, resp)
+	}
+	defer service.CloseResponseBodyGracefully(resp)
+
+	usage := &dto.Usage{}
+	var lastStreamData []byte
+
+	helper.SetEventStreamHeaders(c)
+	if info.StreamStatus == nil {
+		info.StreamStatus = relaycommon.NewStreamStatus()
+	}
+
+	scanner := bufio.NewScanner(resp.Body)
+	scanner.Buffer(make([]byte, helper.InitialScannerBufferSize), helper.GetScannerBufferSize())
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.HasPrefix(line, "data:") {
+			data := strings.TrimSpace(strings.TrimPrefix(line, "data:"))
+			if data == "[DONE]" {
+				info.StreamStatus.SetEndReason(relaycommon.StreamEndReasonDone, nil)
+			} else if data != "" {
+				info.SetFirstResponseTime()
+				info.ReceivedResponseCount++
+				lastStreamData = common.StringToByteSlice(data)
+				var usageResp dto.SimpleResponse
+				if err := common.Unmarshal(lastStreamData, &usageResp); err == nil {
+					normalizeOpenAIUsage(&usageResp.Usage)
+					if service.ValidUsage(&usageResp.Usage) {
+						usage = &usageResp.Usage
+					}
+				}
+			}
+		}
+		if _, err := c.Writer.Write(append([]byte(line), '\n')); err != nil {
+			info.StreamStatus.SetEndReason(relaycommon.StreamEndReasonClientGone, err)
+			return usage, nil
+		}
+		if line == "" {
+			if err := helper.FlushWriter(c); err != nil {
+				info.StreamStatus.SetEndReason(relaycommon.StreamEndReasonClientGone, err)
+				return usage, nil
+			}
+		}
+	}
+	if err := scanner.Err(); err != nil {
+		info.StreamStatus.SetEndReason(relaycommon.StreamEndReasonScannerErr, err)
+	} else if info.StreamStatus.EndReason == relaycommon.StreamEndReasonNone {
+		info.StreamStatus.SetEndReason(relaycommon.StreamEndReasonEOF, nil)
+	}
+	_ = helper.FlushWriter(c)
+
+	applyUsagePostProcessing(info, usage, lastStreamData)
+	return usage, nil
 }
 
 func applyUsagePostProcessing(info *relaycommon.RelayInfo, usage *dto.Usage, responseBody []byte) {
diff --git a/relay/helper/openai_image_request_test.go b/relay/helper/openai_image_request_test.go
new file mode 100644
index 00000000000..a0bb46c6aa4
--- /dev/null
+++ b/relay/helper/openai_image_request_test.go
@@ -0,0 +1,73 @@
+package helper
+
+import (
+	"bytes"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"testing"
+
+	"github.com/QuantumNous/new-api/common"
+	relayconstant "github.com/QuantumNous/new-api/relay/constant"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+// TestGetAndValidOpenAIImageRequestMultipartStream verifies reusable image edit parsing.
+func TestGetAndValidOpenAIImageRequestMultipartStream(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	var body bytes.Buffer
+	writer := multipart.NewWriter(&body)
+	require.NoError(t, writer.WriteField("model", "gpt-image-1"))
+	require.NoError(t, writer.WriteField("prompt", "edit this image"))
+	require.NoError(t, writer.WriteField("stream", "true"))
+	require.NoError(t, writer.WriteField("n", "1"))
+	part, err := writer.CreateFormFile("image", "input.png")
+	require.NoError(t, err)
+	_, err = part.Write([]byte("fake image"))
+	require.NoError(t, err)
+	require.NoError(t, writer.Close())
+	originalBody := body.String()
+
+	recorder := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(recorder)
+	c.Request = httptest.NewRequest(http.MethodPost, "/v1/images/edits", &body)
+	c.Request.Header.Set("Content-Type", writer.FormDataContentType())
+
+	req, err := GetAndValidOpenAIImageRequest(c, relayconstant.RelayModeImagesEdits)
+	require.NoError(t, err)
+	require.True(t, req.Stream)
+	require.True(t, req.IsStream(c))
+
+	bodyAfterValidation, err := io.ReadAll(c.Request.Body)
+	require.NoError(t, err)
+	require.Equal(t, originalBody, string(bodyAfterValidation))
+
+	form, err := common.ParseMultipartFormReusable(c)
+	require.NoError(t, err)
+	require.Equal(t, "true", url.Values(form.Value).Get("stream"))
+	require.Len(t, form.File["image"], 1)
+}
+
+// TestGetAndValidOpenAIImageRequestMultipartStreamInvalidValue verifies stream validation.
+func TestGetAndValidOpenAIImageRequestMultipartStreamInvalidValue(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	var body bytes.Buffer
+	writer := multipart.NewWriter(&body)
+	require.NoError(t, writer.WriteField("model", "gpt-image-1"))
+	require.NoError(t, writer.WriteField("stream", "notabool"))
+	require.NoError(t, writer.Close())
+
+	recorder := httptest.NewRecorder()
+	c, _ := gin.CreateTestContext(recorder)
+	c.Request = httptest.NewRequest(http.MethodPost, "/v1/images/edits", &body)
+	c.Request.Header.Set("Content-Type", writer.FormDataContentType())
+
+	_, err := GetAndValidOpenAIImageRequest(c, relayconstant.RelayModeImagesEdits)
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "invalid stream value")
+}
diff --git a/relay/helper/stream_scanner.go b/relay/helper/stream_scanner.go
index a9bc5e16a72..df7aa39ea54 100644
--- a/relay/helper/stream_scanner.go
+++ b/relay/helper/stream_scanner.go
@@ -27,7 +27,8 @@ const (
 	DefaultPingInterval         = 10 * time.Second
 )
 
-func getScannerBufferSize() int {
+// GetScannerBufferSize returns the configured maximum SSE scanner token size.
+func GetScannerBufferSize() int {
 	if constant.StreamScannerMaxBufferMB > 0 {
 		return constant.StreamScannerMaxBufferMB << 20
 	}
@@ -40,8 +41,9 @@ func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon
 		return
 	}
 
-	// 无条件新建 StreamStatus
-	info.StreamStatus = relaycommon.NewStreamStatus()
+	if info.StreamStatus == nil {
+		info.StreamStatus = relaycommon.NewStreamStatus()
+	}
 
 	// 确保响应体总是被关闭
 	defer func() {
@@ -107,7 +109,7 @@ func StreamScannerHandler(c *gin.Context, resp *http.Response, info *relaycommon
 		close(stopChan)
 	}()
 
-	scanner.Buffer(make([]byte, InitialScannerBufferSize), getScannerBufferSize())
+	scanner.Buffer(make([]byte, InitialScannerBufferSize), GetScannerBufferSize())
 	scanner.Split(bufio.ScanLines)
 	SetEventStreamHeaders(c)
 
diff --git a/relay/helper/valid_request.go b/relay/helper/valid_request.go
index 2581b2812c9..a53b63693d7 100644
--- a/relay/helper/valid_request.go
+++ b/relay/helper/valid_request.go
@@ -4,6 +4,8 @@ import (
 	"errors"
 	"fmt"
 	"math"
+	"net/url"
+	"strconv"
 	"strings"
 
 	"github.com/QuantumNous/new-api/common"
@@ -144,16 +146,25 @@ func GetAndValidOpenAIImageRequest(c *gin.Context, relayMode int) (*dto.ImageReq
 	switch relayMode {
 	case relayconstant.RelayModeImagesEdits:
 		if strings.Contains(c.Request.Header.Get("Content-Type"), "multipart/form-data") {
-			_, err := c.MultipartForm()
+			form, err := common.ParseMultipartFormReusable(c)
 			if err != nil {
 				return nil, fmt.Errorf("failed to parse image edit form request: %w", err)
 			}
-			formData := c.Request.PostForm
+			formData := url.Values(form.Value)
+			c.Request.MultipartForm = form
+			c.Request.PostForm = formData
 			imageRequest.Prompt = formData.Get("prompt")
 			imageRequest.Model = formData.Get("model")
 			imageRequest.N = common.GetPointer(uint(common.String2Int(formData.Get("n"))))
 			imageRequest.Quality = formData.Get("quality")
 			imageRequest.Size = formData.Get("size")
+			if streamValue := strings.TrimSpace(formData.Get("stream")); streamValue != "" {
+				stream, err := strconv.ParseBool(streamValue)
+				if err != nil {
+					return nil, fmt.Errorf("invalid stream value: %w", err)
+				}
+				imageRequest.Stream = stream
+			}
 			if imageValue := formData.Get("image"); imageValue != "" {
 				imageRequest.Image, _ = common.Marshal(imageValue)
 			}