feat: 支持图片编辑功能并优化多模态计费

refactor: 重构 Gemini 适配器以支持图片编辑和生成

feat(relay): 添加图片编辑模式支持

feat(controller): 实现 UsageAPIURL 用于获取真实 token 用量

feat(web): 在渠道测试中添加模型选择功能

perf(token): 优化多模态 token 计算逻辑

fix(web): 修复日志分页组件显示问题

docs: 更新渠道配置中的 UsageAPIURL 说明

style: 清理调试日志和注释

feat(gemini): 支持 Imagen 3+ 图片生成模型

feat(openai): 添加生成 ID 捕获和元数据获取功能

controller/model.go

@@ -475,7 +475,7 @@ type zenmuxChannelDef struct {
 var allZenmuxChannelDefs = []zenmuxChannelDef{
 	{
 		Name:      "Zenmux",
-		Type:      50, // OpenAICompatible
+		Type:      channeltype.OpenAICompatible,
 		Protocols: []string{"chat.completions", "responses", "messages", "gemini", "generate"},
 	},
 }

controller/relay.go

@@ -26,7 +26,7 @@ import (
 func relayHelper(c *gin.Context, relayMode int) *model.ErrorWithStatusCode {
 	var err *model.ErrorWithStatusCode
 	switch relayMode {
-	case relaymode.ImagesGenerations:
+	case relaymode.ImagesGenerations, relaymode.ImagesEdits:
 		err = controller.RelayImageHelper(c, relayMode)
 	case relaymode.AudioSpeech:
 		fallthrough

model/channel.go

@@ -50,6 +50,11 @@ type ChannelConfig struct {
 	Plugin            string `json:"plugin,omitempty"`
 	VertexAIProjectID string `json:"vertex_ai_project_id,omitempty"`
 	VertexAIADC       string `json:"vertex_ai_adc,omitempty"`
+	// UsageAPIURL is an optional URL template for fetching accurate per-request
+	// token usage after a generation completes. Use {id} as a placeholder for
+	// the generation/request ID returned in the upstream response.
+	// Example: https://zenmux.ai/api/v1/generation?ctoken=xxx&id={id}
+	UsageAPIURL string `json:"usage_api_url,omitempty"`
 }
 
 func GetAllChannels(startIdx int, num int, scope string) ([]*Channel, error) {

relay/adaptor/common.go

@@ -23,6 +23,7 @@ func DoRequestHelper(a Adaptor, c *gin.Context, meta *meta.Meta, requestBody io.
 	if err != nil {
 		return nil, fmt.Errorf("get request url failed: %w", err)
 	}
+
 	req, err := http.NewRequest(c.Request.Method, fullRequestURL, requestBody)
 	if err != nil {
 		return nil, fmt.Errorf("new request failed: %w", err)

relay/adaptor/gemini/adaptor.go

@@ -39,7 +39,22 @@ func (a *Adaptor) GetRequestURL(meta *meta.Meta) (string, error) {
 	modelName := meta.ActualModelName
 
 	switch meta.Mode {
+	case relaymode.ImagesEdits:
+		// Image editing uses :predict (same as generation) with referenceImages in instances[]
+		if strings.Contains(modelName, "/") {
+			return fmt.Sprintf("%s/v1/%s:predict", meta.BaseURL, publisherModelPath(modelName)), nil
+		}
+		return fmt.Sprintf("%s/v1beta/models/%s:predict", meta.BaseURL, modelName), nil
 	case relaymode.ImagesGenerations:
+		// Imagen 3+ models use :generateImages endpoint
+		if isImagen3Model(modelName) {
+			return fmt.Sprintf("%s/v1/models/%s:generateImages", meta.BaseURL, publisherModelPath(modelName)), nil
+		}
+		// Publisher models (e.g. klingai/kling-v2, volcengine/doubao-*) use v1 :predict
+		if strings.Contains(modelName, "/") {
+			return fmt.Sprintf("%s/v1/%s:predict", meta.BaseURL, publisherModelPath(modelName)), nil
+		}
+		// Legacy imagegeneration models (no publisher prefix) use v1beta :predict
 		return fmt.Sprintf("%s/v1beta/models/%s:predict", meta.BaseURL, modelName), nil
 	case relaymode.Embeddings:
 		return fmt.Sprintf("%s/%s/models/%s:batchEmbedContents", meta.BaseURL, version, modelName), nil
@@ -49,7 +64,7 @@ func (a *Adaptor) GetRequestURL(meta *meta.Meta) (string, error) {
 	if meta.IsStream {
 		action = "streamGenerateContent?alt=sse"
 	}
-	return fmt.Sprintf("%s/%s/models/%s:%s", meta.BaseURL, version, modelName, action), nil
+	return fmt.Sprintf("%s/%s/%s:%s", meta.BaseURL, version, publisherModelPath(modelName), action), nil
 }
 
 func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, meta *meta.Meta) error {
@@ -80,6 +95,41 @@ func (a *Adaptor) ConvertImageRequest(request *model.ImageRequest) (any, error)
 	if n <= 0 {
 		n = 1
 	}
+	// If an image is provided, convert to :editImage format (image-to-image)
+	if request.Image != nil {
+		imageStr, ok := request.Image.(string)
+		if !ok {
+			return nil, errors.New("image field must be a base64 string or data URL")
+		}
+		// Strip data URL prefix if present (e.g. "data:image/png;base64,")
+		base64Data := imageStr
+		if idx := strings.Index(imageStr, ";base64,"); idx != -1 {
+			base64Data = imageStr[idx+8:]
+		}
+		return EditImageRequest{
+			Instances: []EditImageInstance{
+				{
+					Prompt: request.Prompt,
+					ReferenceImages: []ReferenceImageItem{
+						{
+							ReferenceType: "REFERENCE_TYPE_RAW",
+							ReferenceId:   1,
+							ReferenceImage: ReferenceImageData{
+								BytesBase64Encoded: base64Data,
+							},
+						},
+					},
+				},
+			},
+		}, nil
+	}
+	if isImagen3Model(request.Model) {
+		return GenerateImagesRequest{
+			Prompt:         request.Prompt,
+			NumberOfImages: n,
+			AspectRatio:    sizeToAspectRatio(request.Size),
+		}, nil
+	}
 	return ImagenRequest{
 		Instances: []ImagenInstance{{Prompt: request.Prompt}},
 		Parameters: ImagenParameters{
@@ -89,7 +139,28 @@ func (a *Adaptor) ConvertImageRequest(request *model.ImageRequest) (any, error)
 	}, nil
 }
 
-// sizeToAspectRatio converts OpenAI size strings to Imagen aspect ratios.
+// publisherModelPath converts publisher/model names to the correct Vertex AI URL path segment.
+// Google's own models (gemini/, google/) keep the raw /models/publisher/model format.
+// Third-party publisher models use /publishers/{pub}/models/{model} format.
+func publisherModelPath(modelName string) string {
+	if idx := strings.Index(modelName, "/"); idx != -1 {
+		publisher := modelName[:idx]
+		model := modelName[idx+1:]
+		if publisher == "gemini" || publisher == "google" {
+			return fmt.Sprintf("models/%s", modelName)
+		}
+		return fmt.Sprintf("publishers/%s/models/%s", publisher, model)
+	}
+	return fmt.Sprintf("models/%s", modelName)
+}
+
+// isImagen3Model returns true for image-generation-only models that use the :generateImages endpoint.
+func isImagen3Model(modelName string) bool {
+	lower := strings.ToLower(modelName)
+	return strings.HasPrefix(lower, "imagen-3") ||
+		strings.HasPrefix(lower, "imagen-4") ||
+		strings.Contains(lower, "imagegeneration@00")
+}
 func sizeToAspectRatio(size string) string {
 	switch size {
 	case "1792x1024":
@@ -109,7 +180,7 @@ func (a *Adaptor) DoRequest(c *gin.Context, meta *meta.Meta, requestBody io.Read
 
 func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, meta *meta.Meta) (usage *model.Usage, err *model.ErrorWithStatusCode) {
 	if meta.IsStream {
-		err, usage = StreamHandler(c, resp)
+		err, usage, meta.GenerationId = StreamHandler(c, resp)
 		if usage != nil {
 			usage.PromptTokens = meta.PromptTokens
 		}
@@ -117,7 +188,7 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, meta *meta.Met
 		switch meta.Mode {
 		case relaymode.Embeddings:
 			err, usage = EmbeddingHandler(c, resp)
-		case relaymode.ImagesGenerations:
+		case relaymode.ImagesGenerations, relaymode.ImagesEdits:
 			err = ImagenHandler(c, resp)
 		default:
 			err, usage = Handler(c, resp, meta.PromptTokens, meta.ActualModelName)
@@ -126,7 +197,8 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, meta *meta.Met
 	return
 }
 
-// ImagenHandler converts a Google Imagen predict response to OpenAI image response format.
+// ImagenHandler converts a Google Imagen predict/generateImages response to OpenAI image response format.
+// Handles both Vertex AI format (predictions[].bytesBase64Encoded) and OpenAI format (data[].b64_json).
 func ImagenHandler(c *gin.Context, resp *http.Response) *model.ErrorWithStatusCode {
 	responseBody, readErr := io.ReadAll(resp.Body)
 	resp.Body.Close()
@@ -134,11 +206,40 @@ func ImagenHandler(c *gin.Context, resp *http.Response) *model.ErrorWithStatusCo
 		return openai.ErrorWrapper(readErr, "read_response_body_failed", http.StatusInternalServerError)
 	}
 
-	var imagenResp ImagenResponse
+	fmt.Printf("[ImagenHandler] raw response body: %s\n", string(responseBody))
-	if err := json.Unmarshal(responseBody, &imagenResp); err != nil {
+
-		return openai.ErrorWrapper(err, "unmarshal_response_body_failed", http.StatusInternalServerError)
+	// Safety check: empty response
+	if len(responseBody) == 0 || string(responseBody) == "{}" || string(responseBody) == "null" {
+		return openai.ErrorWrapper(
+			fmt.Errorf("upstream returned empty response body"),
+			"empty_response_body",
+			http.StatusBadGateway,
+		)
 	}
 
+	data := make([]openai.ImageData, 0)
+
+	// Format 1: :generateImages / :editImage → generatedImages[].image.imageBytes
+	var generateResp GenerateImagesResponse
+	if err := json.Unmarshal(responseBody, &generateResp); err == nil {
+		if generateResp.Error != nil {
+			return openai.ErrorWrapper(
+				fmt.Errorf("%s", generateResp.Error.Message),
+				"imagen_error",
+				http.StatusInternalServerError,
+			)
+		}
+		for _, img := range generateResp.GeneratedImages {
+			if img.Image.ImageBytes != "" {
+				data = append(data, openai.ImageData{B64Json: img.Image.ImageBytes})
+			}
+		}
+	}
+
+	// Format 2: legacy :predict → predictions[].bytesBase64Encoded or predictions[].gcsUri
+	if len(data) == 0 {
+		var imagenResp ImagenResponse
+		if err := json.Unmarshal(responseBody, &imagenResp); err == nil {
 			if imagenResp.Error != nil {
 				return openai.ErrorWrapper(
 					fmt.Errorf("%s", imagenResp.Error.Message),
@@ -146,12 +247,38 @@ func ImagenHandler(c *gin.Context, resp *http.Response) *model.ErrorWithStatusCo
 					http.StatusInternalServerError,
 				)
 			}
-
-	// Convert to OpenAI image response format
-	data := make([]openai.ImageData, 0, len(imagenResp.Predictions))
 			for _, p := range imagenResp.Predictions {
+				if p.BytesBase64Encoded != "" {
 					data = append(data, openai.ImageData{B64Json: p.BytesBase64Encoded})
+				} else if p.GcsUri != "" {
+					data = append(data, openai.ImageData{Url: p.GcsUri})
 				}
+			}
+		}
+	}
+
+	// Format 3: OpenAI format data[].b64_json — used by models like openai/gpt-image-*
+	if len(data) == 0 {
+		var openaiImgResp struct {
+			Data []struct {
+				B64Json string `json:"b64_json"`
+				URL     string `json:"url"`
+			} `json:"data"`
+		}
+		if err := json.Unmarshal(responseBody, &openaiImgResp); err == nil {
+			for _, item := range openaiImgResp.Data {
+				data = append(data, openai.ImageData{B64Json: item.B64Json, Url: item.URL})
+			}
+		}
+	}
+	if len(data) == 0 {
+		return openai.ErrorWrapper(
+			fmt.Errorf("upstream returned no image data (response: %s)", string(responseBody)),
+			"no_image_data",
+			http.StatusBadGateway,
+		)
+	}
+
 	openaiResp := openai.ImageResponse{
 		Created: time.Now().Unix(),
 		Data:    data,

relay/adaptor/gemini/main.go

@@ -321,13 +321,21 @@ func ConvertEmbeddingRequest(request model.GeneralOpenAIRequest) *BatchEmbedding
 	}
 }
 
+type TokensDetail struct {
+	Modality   string `json:"modality"`
+	TokenCount int    `json:"tokenCount"`
+}
+
 type UsageMetadata struct {
 	PromptTokenCount        int            `json:"promptTokenCount"`
 	CandidatesTokenCount    int            `json:"candidatesTokenCount"`
 	TotalTokenCount         int            `json:"totalTokenCount"`
+	ThoughtsTokenCount      int            `json:"thoughtsTokenCount"`
+	CandidatesTokensDetails []TokensDetail `json:"candidatesTokensDetails"`
 }
 
 type ChatResponse struct {
+	Id             string             `json:"id,omitempty"` // set by some proxies; used for metadata fetches
 	Candidates     []ChatCandidate    `json:"candidates"`
 	PromptFeedback ChatPromptFeedback `json:"promptFeedback"`
 	UsageMetadata  *UsageMetadata     `json:"usageMetadata"`
@@ -475,9 +483,15 @@ func embeddingResponseGemini2OpenAI(response *EmbeddingResponse) *openai.Embeddi
 	return &openAIEmbeddingResponse
 }
 
-func StreamHandler(c *gin.Context, resp *http.Response) (*model.ErrorWithStatusCode, *model.Usage) {
+// StreamHandler processes a Gemini SSE stream and returns
+// (error, usage, generationId).
+// generationId is captured from the response's "id" field if present (set by
+// some proxies); callers can use it for post-response metadata fetches.
+func StreamHandler(c *gin.Context, resp *http.Response) (*model.ErrorWithStatusCode, *model.Usage, string) {
 	var usage *model.Usage
+	var generationId string
 	responseText := ""
+	outputImageCount := 0
 	scanner := bufio.NewScanner(resp.Body)
 	// Default bufio.Scanner buffer is 64KB which is too small for inline image data (base64).
 	// Allocate 20MB to handle large image payloads from Gemini image-generation models.
@@ -503,14 +517,36 @@ func StreamHandler(c *gin.Context, resp *http.Response) (*model.ErrorWithStatusC
 			continue
 		}
 
+		if generationId == "" && geminiResponse.Id != "" {
+			generationId = geminiResponse.Id
+		}
+
 		// Extract usageMetadata from the last chunk that carries it.
-		// This includes image/video/audio generation costs that cannot be
-		// estimated from text tokenisation alone.
 		if geminiResponse.UsageMetadata != nil {
+			meta := geminiResponse.UsageMetadata
+			// Image output tokens are priced at $60/M vs text completion $3/M (20× ratio).
+			// Separate image and text tokens from candidatesTokensDetails so we can
+			// represent image tokens as equivalent text completion tokens for billing.
+			imageOutputTokens := 0
+			textOutputTokens := 0
+			if len(meta.CandidatesTokensDetails) > 0 {
+				for _, d := range meta.CandidatesTokensDetails {
+					if d.Modality == "IMAGE" {
+						imageOutputTokens += d.TokenCount
+					} else {
+						textOutputTokens += d.TokenCount
+					}
+				}
+			} else {
+				textOutputTokens = meta.CandidatesTokenCount
+			}
+			// ThoughtsTokenCount billed at text completion rate; image tokens at 20× that rate.
+			const imageToTextRatio = 20
+			completionTokens := textOutputTokens + imageOutputTokens*imageToTextRatio + meta.ThoughtsTokenCount
 			usage = &model.Usage{
-				PromptTokens:     geminiResponse.UsageMetadata.PromptTokenCount,
+				PromptTokens:     meta.PromptTokenCount,
-				CompletionTokens: geminiResponse.UsageMetadata.CandidatesTokenCount,
+				CompletionTokens: completionTokens,
-				TotalTokens:      geminiResponse.UsageMetadata.TotalTokenCount,
+				TotalTokens:      meta.TotalTokenCount,
 			}
 		}
 
@@ -520,11 +556,13 @@ func StreamHandler(c *gin.Context, resp *http.Response) (*model.ErrorWithStatusC
 		}
 
 		// Accumulate text for fallback token estimation (used only when
-		// usageMetadata is absent from the stream).
+		// usageMetadata is absent from the stream). Also count output images.
 		if len(geminiResponse.Candidates) > 0 {
 			for _, part := range geminiResponse.Candidates[0].Content.Parts {
 				if part.InlineData == nil {
 					responseText += part.Text
+				} else if strings.HasPrefix(part.InlineData.MimeType, "image/") {
+					outputImageCount++
 				}
 			}
 		}
@@ -543,15 +581,14 @@ func StreamHandler(c *gin.Context, resp *http.Response) (*model.ErrorWithStatusC
 
 	err := resp.Body.Close()
 	if err != nil {
-		return openai.ErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil
+		return openai.ErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), nil, ""
 	}
 
-	// If upstream provided usageMetadata, use it (accurate, includes image costs).
+	// If upstream provided usageMetadata, use it (image tokens already adjusted above).
-	// Otherwise fall back to local tiktoken estimation on text-only content.
 	if usage != nil {
-		return nil, usage
+		return nil, usage, generationId
 	}
-	return nil, openai.ResponseText2Usage(responseText, "", 0)
+	return nil, openai.ResponseText2Usage(responseText, "", 0), generationId
 }
 
 func Handler(c *gin.Context, resp *http.Response, promptTokens int, modelName string) (*model.ErrorWithStatusCode, *model.Usage) {

relay/adaptor/gemini/model.go

@@ -92,7 +92,7 @@ type ChatGenerationConfig struct {
 
 // --- Google Imagen ---
 
-// ImagenRequest is the request body for Google Imagen (predict endpoint).
+// ImagenRequest is the request body for legacy Imagen (predict endpoint).
 // POST /v1beta/models/{model}:predict
 type ImagenRequest struct {
 	Instances  []ImagenInstance `json:"instances"`
@@ -108,14 +108,61 @@ type ImagenParameters struct {
 	AspectRatio string `json:"aspectRatio,omitempty"`
 }
 
-// ImagenResponse is the response from Google Imagen.
+// GenerateImagesRequest is the request body for Imagen 3+ (generateImages endpoint).
+// POST /v1/models/{model}:generateImages
+type GenerateImagesRequest struct {
+	Prompt         string `json:"prompt"`
+	NumberOfImages int    `json:"number_of_images"`
+	AspectRatio    string `json:"aspectRatio,omitempty"`
+}
+
+// EditImageRequest is the request body for Vertex AI image editing via :predict.
+// Same endpoint as generation, uses instances[] with referenceImages. No parameters field.
+type EditImageRequest struct {
+	Instances []EditImageInstance `json:"instances"`
+}
+
+type EditImageInstance struct {
+	Prompt          string               `json:"prompt"`
+	ReferenceImages []ReferenceImageItem `json:"referenceImages"`
+}
+
+type ReferenceImageItem struct {
+	ReferenceType  string             `json:"referenceType"`
+	ReferenceId    int                `json:"referenceId"`
+	ReferenceImage ReferenceImageData `json:"referenceImage"`
+}
+
+type ReferenceImageData struct {
+	BytesBase64Encoded string `json:"bytesBase64Encoded"`
+}
+
+// ImagenResponse is the response from legacy Imagen :predict endpoint.
 type ImagenResponse struct {
 	Predictions []ImagenPrediction `json:"predictions"`
 	Error       *Error             `json:"error,omitempty"`
 }
 
-type ImagenPrediction struct {
+// GenerateImagesResponse is the response from :generateImages and :editImage endpoints.
-	BytesBase64Encoded string `json:"bytesBase64Encoded"`
+type GenerateImagesResponse struct {
+	GeneratedImages []GeneratedImageItem `json:"generatedImages"`
+	Error           *Error               `json:"error,omitempty"`
+}
+
+type GeneratedImageItem struct {
+	Image    GeneratedImageData `json:"image"`
 	MimeType string             `json:"mimeType"`
 }
 
+type GeneratedImageData struct {
+	// ImageBytes is base64-encoded image data returned by :generateImages / :editImage
+	ImageBytes string `json:"imageBytes"`
+}
+
+type ImagenPrediction struct {
+	BytesBase64Encoded string `json:"bytesBase64Encoded"`
+	MimeType           string `json:"mimeType"`
+	GcsUri             string `json:"gcsUri"`
+	Prompt             string `json:"prompt"`
+}
+

relay/adaptor/openai/adaptor.go

@@ -109,7 +109,7 @@ func (a *Adaptor) DoRequest(c *gin.Context, meta *meta.Meta, requestBody io.Read
 func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, meta *meta.Meta) (usage *model.Usage, err *model.ErrorWithStatusCode) {
 	if meta.IsStream {
 		var responseText string
-		err, responseText, usage = StreamHandler(c, resp, meta.Mode)
+		err, responseText, usage, meta.GenerationId = StreamHandler(c, resp, meta.Mode)
 		if usage == nil || usage.TotalTokens == 0 {
 			usage = ResponseText2Usage(responseText, meta.ActualModelName, meta.PromptTokens)
 		}

relay/adaptor/openai/helper.go

@@ -1,17 +1,77 @@
 package openai
 
 import (
+	"encoding/json"
 	"fmt"
+	"net/http"
 	"strings"
+	"time"
 
+	"github.com/songquanpeng/one-api/common/logger"
 	"github.com/songquanpeng/one-api/relay/channeltype"
 	"github.com/songquanpeng/one-api/relay/model"
 )
 
+var metadataHTTPClient = &http.Client{Timeout: 8 * time.Second}
+
+// usageMetadataResponse is a generic structure for upstream metadata endpoints
+// that return nativeTokens (e.g. Zenmux /api/v1/generation).
+type usageMetadataResponse struct {
+	NativeTokens struct {
+		PromptTokenCount     int `json:"promptTokenCount"`
+		CandidatesTokenCount int `json:"candidatesTokenCount"`
+		TotalTokenCount      int `json:"totalTokenCount"`
+		// ThoughtsTokenCount is billed at the completion rate, included in CompletionTokens.
+		ThoughtsTokenCount int `json:"thoughtsTokenCount"`
+	} `json:"nativeTokens"`
+}
+
+// FetchUsageFromMetadataURL fetches accurate token usage from an upstream metadata
+// endpoint. urlTemplate must contain {id} which is replaced with generationId.
+// Returns nil if the fetch fails or the response contains no usable token data.
+func FetchUsageFromMetadataURL(urlTemplate, generationId string) (*model.Usage, error) {
+	url := strings.ReplaceAll(urlTemplate, "{id}", generationId)
+	resp, err := metadataHTTPClient.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("metadata API returned status %d", resp.StatusCode)
+	}
+	var meta usageMetadataResponse
+	if err := json.NewDecoder(resp.Body).Decode(&meta); err != nil {
+		return nil, err
+	}
+	if meta.NativeTokens.TotalTokenCount == 0 {
+		return nil, fmt.Errorf("metadata API returned zero total tokens")
+	}
+	prompt := meta.NativeTokens.PromptTokenCount
+	completion := meta.NativeTokens.CandidatesTokenCount + meta.NativeTokens.ThoughtsTokenCount
+	logger.SysLog(fmt.Sprintf("usage from metadata API (id=%s): prompt=%d completion=%d", generationId, prompt, completion))
+	return &model.Usage{
+		PromptTokens:     prompt,
+		CompletionTokens: completion,
+		TotalTokens:      prompt + completion,
+	}, nil
+}
+
+// countOutputMediaTokens returns a fixed token estimate for any embedded
+// media data URIs found in text (image/video/audio), consistent with the
+// fixed estimates used for input media in CountTokenMessages.
+func countOutputMediaTokens(text string) int {
+	tokens := 0
+	tokens += strings.Count(text, "data:image/") * 2500
+	tokens += strings.Count(text, "data:video/") * 10000
+	tokens += strings.Count(text, "data:audio/") * 1500
+	return tokens
+}
+
 func ResponseText2Usage(responseText string, modelName string, promptTokens int) *model.Usage {
 	usage := &model.Usage{}
 	usage.PromptTokens = promptTokens
-	usage.CompletionTokens = CountTokenText(responseText, modelName)
+	usage.CompletionTokens = CountTokenText(stripBase64Payloads(responseText), modelName) +
+		countOutputMediaTokens(responseText)
 	usage.TotalTokens = usage.PromptTokens + usage.CompletionTokens
 	return usage
 }

relay/adaptor/openai/main.go

@@ -24,11 +24,16 @@ const (
 	dataPrefixLength = len(dataPrefix)
 )
 
-func StreamHandler(c *gin.Context, resp *http.Response, relayMode int) (*model.ErrorWithStatusCode, string, *model.Usage) {
+// StreamHandler processes an OpenAI-compatible SSE stream and returns
+// (error, responseText, usage, generationId).
+// generationId is the "id" field captured from the first stream chunk; it can
+// be used by callers that need to fetch per-request metadata from an upstream API.
+func StreamHandler(c *gin.Context, resp *http.Response, relayMode int) (*model.ErrorWithStatusCode, string, *model.Usage, string) {
 	responseText := ""
 	scanner := bufio.NewScanner(resp.Body)
 	scanner.Split(bufio.ScanLines)
 	var usage *model.Usage
+	var generationId string
 
 	common.SetEventStreamHeaders(c)
 
@@ -63,6 +68,9 @@ func StreamHandler(c *gin.Context, resp *http.Response, relayMode int) (*model.E
 			for _, choice := range streamResponse.Choices {
 				responseText += conv.AsString(choice.Delta.Content)
 			}
+			if generationId == "" && streamResponse.Id != "" {
+				generationId = streamResponse.Id
+			}
 			if streamResponse.Usage != nil {
 				usage = streamResponse.Usage
 			}
@@ -90,10 +98,10 @@ func StreamHandler(c *gin.Context, resp *http.Response, relayMode int) (*model.E
 
 	err := resp.Body.Close()
 	if err != nil {
-		return ErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), "", nil
+		return ErrorWrapper(err, "close_response_body_failed", http.StatusInternalServerError), "", nil, ""
 	}
 
-	return nil, responseText, usage
+	return nil, responseText, usage, generationId
 }
 
 func Handler(c *gin.Context, resp *http.Response, promptTokens int, modelName string) (*model.ErrorWithStatusCode, *model.Usage) {

relay/adaptor/openai/token.go

@@ -73,6 +73,33 @@ func getTokenNum(tokenEncoder *tiktoken.Tiktoken, text string) int {
 	return len(tokenEncoder.Encode(text, nil, nil))
 }
 
+// stripBase64Payloads removes the base64 payload from data URIs so that huge
+// image/video/audio blobs do not inflate the local token estimate.
+// Example: "data:image/jpeg;base64,/9j/4AAQ..." → "data:image/jpeg;base64,"
+func stripBase64Payloads(s string) string {
+	const marker = ";base64,"
+	out := s
+	for {
+		idx := strings.Index(out, marker)
+		if idx < 0 {
+			break
+		}
+		payloadStart := idx + len(marker)
+		end := payloadStart
+		for end < len(out) {
+			c := out[end]
+			if (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
+				(c >= '0' && c <= '9') || c == '+' || c == '/' || c == '=' {
+				end++
+			} else {
+				break
+			}
+		}
+		out = out[:payloadStart] + out[end:]
+	}
+	return out
+}
+
 func CountTokenMessages(messages []model.Message, model string) int {
 	tokenEncoder := getTokenEncoder(model)
 	// Reference:
@@ -94,7 +121,7 @@ func CountTokenMessages(messages []model.Message, model string) int {
 		tokenNum += tokensPerMessage
 		switch v := message.Content.(type) {
 		case string:
-			tokenNum += getTokenNum(tokenEncoder, v)
+			tokenNum += getTokenNum(tokenEncoder, stripBase64Payloads(v))
 		case []any:
 			for _, it := range v {
 				m := it.(map[string]any)
@@ -102,7 +129,7 @@ func CountTokenMessages(messages []model.Message, model string) int {
 				case "text":
 					if textValue, ok := m["text"]; ok {
 						if textString, ok := textValue.(string); ok {
-							tokenNum += getTokenNum(tokenEncoder, textString)
+							tokenNum += getTokenNum(tokenEncoder, stripBase64Payloads(textString))
 						}
 					}
 				case "image_url":
@@ -114,12 +141,24 @@ func CountTokenMessages(messages []model.Message, model string) int {
 							detail = imageUrl["detail"].(string)
 						}
 						imageTokens, err := countImageTokens(url, detail, model)
+						if err != nil || imageTokens == 0 {
+							// Fallback for base64 images (payload stripped, dimensions
+							// unavailable) or any other failure: use a conservative
+							// fixed estimate (~768x768 high-detail image).
 							if err != nil {
-							logger.SysError("error counting image tokens: " + err.Error())
+								logger.SysError("error counting image tokens, using fallback: " + err.Error())
-						} else {
+							}
+							imageTokens = 765
+						}
 						tokenNum += imageTokens
 					}
-					}
+				case "video_url":
+					// Videos cannot be tokenised locally; conservative fixed estimate.
+					// Final billing always uses the upstream's real usage.
+					tokenNum += 2000
+				case "input_audio", "audio":
+					// Audio cannot be tokenised locally; conservative fixed estimate.
+					tokenNum += 500
 				}
 			}
 		}

relay/adaptor/vertexai/gemini/adapter.go

@@ -39,7 +39,7 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 
 func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, meta *meta.Meta) (usage *model.Usage, err *model.ErrorWithStatusCode) {
 	if meta.IsStream {
-		err, usage = gemini.StreamHandler(c, resp)
+		err, usage, meta.GenerationId = gemini.StreamHandler(c, resp)
 		if usage != nil {
 			usage.PromptTokens = meta.PromptTokens
 		}

relay/adaptor/zhipu/adaptor.go

@@ -98,7 +98,7 @@ func (a *Adaptor) DoRequest(c *gin.Context, meta *meta.Meta, requestBody io.Read
 
 func (a *Adaptor) DoResponseV4(c *gin.Context, resp *http.Response, meta *meta.Meta) (usage *model.Usage, err *model.ErrorWithStatusCode) {
 	if meta.IsStream {
-		err, _, usage = openai.StreamHandler(c, resp, meta.Mode)
+		err, _, usage, _ = openai.StreamHandler(c, resp, meta.Mode)
 	} else {
 		err, usage = openai.Handler(c, resp, meta.PromptTokens, meta.ActualModelName)
 	}

relay/billing/ratio/image.go

@@ -11,6 +11,12 @@ var ImageSizeRatios = map[string]map[string]float64{
 		"1024x1792": 2,
 		"1792x1024": 2,
 	},
+	// gpt-image-1.5: base=medium 1024x1024 ($0.034), size ratio for other sizes
+	"openai/gpt-image-1.5": {
+		"1024x1024": 1.0,  // medium $0.034
+		"1024x1536": 1.47, // medium $0.050
+		"1536x1024": 1.47, // medium $0.050
+	},
 	"ali-stable-diffusion-xl": {
 		"512x1024":  1,
 		"1024x768":  1,

relay/billing/ratio/model.go

@@ -87,6 +87,14 @@ var ModelRatio = map[string]float64{
 	"text-moderation-latest":  0.1,
 	"dall-e-2":                0.02 * USD, // $0.016 - $0.020 / image
 	"dall-e-3":                0.04 * USD, // $0.040 - $0.120 / image
+	// Zenmux image generation models (calibrated for 1M quota/dollar)
+	"openai/gpt-image-1.5":                    34,   // $0.034 / image (medium 1024x1024 base)
+	"qwen/qwen-image-2.0":                     28.9, // $0.0289 / image
+	"qwen/qwen-image-2.0-pro":                 73,   // $0.073 / image
+	"volcengine/doubao-seedream-5.0-lite":      32,   // $0.032 / image
+	"z-ai/glm-image":                          15,   // $0.015 / image
+	"tencent/hunyuan-image3":                  29,   // $0.029 / image
+	"klingai/kling-v2":                        14,   // $0.014 / image
 	// https://docs.anthropic.com/en/docs/about-claude/models
 	"claude-instant-1.2":         0.8 / 1000 * USD,
 	"claude-2.0":                 8.0 / 1000 * USD,

relay/controller/text.go

@@ -82,6 +82,16 @@ func RelayTextHelper(c *gin.Context) *model.ErrorWithStatusCode {
 		billing.ReturnPreConsumedQuota(ctx, preConsumedQuota, meta.TokenId)
 		return respErr
 	}
+	// If the channel has a UsageAPIURL configured and the adaptor captured a
+	// generation ID, fetch accurate multimodal token counts now (works for any
+	// channel type that sets meta.GenerationId during DoResponse).
+	if meta.Config.UsageAPIURL != "" && meta.GenerationId != "" {
+		if fetchedUsage, fetchErr := openai.FetchUsageFromMetadataURL(meta.Config.UsageAPIURL, meta.GenerationId); fetchErr == nil {
+			usage = fetchedUsage
+		} else {
+			logger.Warnf(ctx, "failed to fetch usage from metadata URL: %s", fetchErr.Error())
+		}
+	}
 	// post-consume quota
 	go postConsumeQuota(ctx, usage, meta, textRequest, ratio, preConsumedQuota, modelRatio, groupRatio, systemPromptReset)
 	return nil

relay/meta/relay_meta.go

@@ -35,6 +35,9 @@ type Meta struct {
 	PromptTokens       int // only for DoResponse
 	ForcedSystemPrompt string
 	StartTime          time.Time
+	// GenerationId is the upstream generation/request ID captured during DoResponse.
+	// Adaptors should set this when available; it is used for post-response metadata fetches.
+	GenerationId string
 }
 
 func GetByContext(c *gin.Context) *Meta {

relay/model/image.go

@@ -3,6 +3,7 @@ package model
 type ImageRequest struct {
 	Model          string `json:"model"`
 	Prompt         string `json:"prompt" binding:"required"`
+	Image          any    `json:"image,omitempty"`
 	N              int    `json:"n,omitempty"`
 	Size           string `json:"size,omitempty"`
 	Quality        string `json:"quality,omitempty"`

relay/relaymode/define.go

@@ -7,6 +7,7 @@ const (
 	Embeddings
 	Moderations
 	ImagesGenerations
+	ImagesEdits
 	Edits
 	AudioSpeech
 	AudioTranscription

relay/relaymode/helper.go

@@ -16,6 +16,8 @@ func GetByPath(path string) int {
 		relayMode = Moderations
 	} else if strings.HasPrefix(path, "/v1/images/generations") {
 		relayMode = ImagesGenerations
+	} else if strings.HasPrefix(path, "/v1/images/edits") {
+		relayMode = ImagesEdits
 	} else if strings.HasPrefix(path, "/v1/edits") {
 		relayMode = Edits
 	} else if strings.HasPrefix(path, "/v1/audio/speech") {

router/relay.go

@@ -25,7 +25,7 @@ func SetRelayRouter(router *gin.Engine) {
 		relayV1Router.POST("/chat/completions", controller.Relay)
 		relayV1Router.POST("/edits", controller.Relay)
 		relayV1Router.POST("/images/generations", controller.Relay)
-		relayV1Router.POST("/images/edits", controller.RelayNotImplemented)
+		relayV1Router.POST("/images/edits", controller.Relay)
 		relayV1Router.POST("/images/variations", controller.RelayNotImplemented)
 		relayV1Router.POST("/embeddings", controller.Relay)
 		relayV1Router.POST("/engines/:model/embeddings", controller.Relay)

web/berry/src/views/Channel/component/EditModal.js

@@ -44,7 +44,7 @@ const validationSchema = Yup.object().shape({
     is: (is_edit, type) => !is_edit && type !== 33,
     then: Yup.string().required('密钥 不能为空')
   }),
-  other: Yup.string(),
+  other: Yup.string().nullable(),
   models: Yup.array().min(1, '模型 不能为空'),
   groups: Yup.array().min(1, '用户组 不能为空'),
   base_url: Yup.string().when('type', {

web/berry/src/views/Channel/component/TableRow.js

@@ -19,6 +19,9 @@ import {
   DialogTitle,
   Tooltip,
   Button,
+  Select,
+  FormControl,
+  InputLabel,
 } from "@mui/material";
 
 import Label from "ui-component/Label";
@@ -28,7 +31,7 @@ import ResponseTimeLabel from "./ResponseTimeLabel";
 import GroupLabel from "./GroupLabel";
 import NameLabel from "./NameLabel";
 
-import { IconDotsVertical, IconEdit, IconTrash } from "@tabler/icons-react";
+import { IconDotsVertical, IconEdit, IconTrash, IconBrandSpeedtest } from "@tabler/icons-react";
 
 export default function ChannelTableRow({
   item,
@@ -36,9 +39,12 @@ export default function ChannelTableRow({
   handleOpenModal,
   setModalChannelId,
 }) {
+  const modelOptions = item.models ? item.models.split(',').filter(Boolean) : [];
   const [open, setOpen] = useState(null);
   const [openDelete, setOpenDelete] = useState(false);
+  const [openTest, setOpenTest] = useState(false);
   const [statusSwitch, setStatusSwitch] = useState(item.status);
+  const [testModel, setTestModel] = useState(modelOptions[0] || '');
   const [priorityValve, setPriority] = useState(item.priority);
   const [responseTimeData, setResponseTimeData] = useState({
     test_time: item.test_time,
@@ -87,7 +93,8 @@ export default function ChannelTableRow({
   };
 
   const handleResponseTime = async () => {
-    const { success, time } = await manageChannel(item.id, "test", "");
+    setOpenTest(false);
+    const { success, time } = await manageChannel(item.id, "test", testModel);
     if (success) {
       setResponseTimeData({
         test_time: Date.now() / 1000,
@@ -223,6 +230,15 @@ export default function ChannelTableRow({
           <IconEdit style={{ marginRight: "16px" }} />
           编辑
         </MenuItem>
+        <MenuItem
+          onClick={() => {
+            handleCloseMenu();
+            setOpenTest(true);
+          }}
+        >
+          <IconBrandSpeedtest style={{ marginRight: "16px" }} />
+          测试
+        </MenuItem>
         <MenuItem onClick={handleDeleteOpen} sx={{ color: "error.main" }}>
           <IconTrash style={{ marginRight: "16px" }} />
           删除
@@ -241,6 +257,28 @@ export default function ChannelTableRow({
           </Button>
         </DialogActions>
       </Dialog>
+
+      <Dialog open={openTest} onClose={() => setOpenTest(false)} maxWidth="xs" fullWidth>
+        <DialogTitle>测试渠道：{item.name}</DialogTitle>
+        <DialogContent>
+          <FormControl fullWidth sx={{ mt: 1 }}>
+            <InputLabel>选择测试模型</InputLabel>
+            <Select
+              value={testModel}
+              label="选择测试模型"
+              onChange={(e) => setTestModel(e.target.value)}
+            >
+              {modelOptions.map((m) => (
+                <MenuItem key={m} value={m}>{m}</MenuItem>
+              ))}
+            </Select>
+          </FormControl>
+        </DialogContent>
+        <DialogActions>
+          <Button onClick={() => setOpenTest(false)}>取消</Button>
+          <Button onClick={handleResponseTime} variant="contained">测试</Button>
+        </DialogActions>
+      </Dialog>
     </>
   );
 }

web/berry/src/views/Channel/index.js

@@ -108,7 +108,7 @@ export default function ChannelPage() {
         });
         break;
       case 'test':
-        res = await API.get(url + `test/${id}`);
+        res = await API.get(url + `test/${id}` + (value ? `?model=${encodeURIComponent(value)}` : ''));
         break;
       default:
         return;

web/berry/src/views/Channel/type/Config.js

@@ -123,13 +123,19 @@ const typeConfig = {
   },
   24: {
     inputLabel: {
-      other: '版本号'
+      other: '版本号',
+      config: {
+        usage_api_url: 'Usage API URL'
+      }
     },
     input: {
       models: ['gemini-pro']
     },
     prompt: {
-      other: '请输入版本号，例如：v1'
+      other: '请输入版本号，例如：v1',
+      config: {
+        usage_api_url: '可选，填写后将在每次请求结束后从该接口获取真实的多模态 Token 用量，使用 {id} 作为 generation ID 占位符，例如：https://zenmux.ai/api/v1/generation?ctoken=xxx&id={id}'
+      }
     },
     modelGroup: 'google gemini'
   },
@@ -228,6 +234,18 @@ const typeConfig = {
   45: {
     modelGroup: 'xai'
   },
+  50: {
+    inputLabel: {
+      config: {
+        usage_api_url: 'Usage API URL'
+      }
+    },
+    prompt: {
+      config: {
+        usage_api_url: '可选，填写后将在每次请求结束后从该接口获取真实的多模态 Token 用量，使用 {id} 作为 generation ID 占位符，例如：https://zenmux.ai/api/v1/generation?ctoken=xxx&id={id}'
+      }
+    }
+  }
 };
 
 export { defaultConfig, typeConfig };

web/berry/src/views/Log/index.js

@@ -5,7 +5,7 @@ import Table from '@mui/material/Table';
 import TableBody from '@mui/material/TableBody';
 import TableContainer from '@mui/material/TableContainer';
 import PerfectScrollbar from 'react-perfect-scrollbar';
-import TablePagination from '@mui/material/TablePagination';
+import Pagination from '@mui/material/Pagination';
 import LinearProgress from '@mui/material/LinearProgress';
 import ButtonGroup from '@mui/material/ButtonGroup';
 import Toolbar from '@mui/material/Toolbar';
@@ -143,14 +143,16 @@ export default function Log() {
             </Table>
           </TableContainer>
         </PerfectScrollbar>
-        <TablePagination
+        <Box sx={{ display: 'flex', justifyContent: 'center', py: 2 }}>
-          page={activePage}
+          <Pagination
-          component="div"
+            count={Math.ceil(logs.length / ITEMS_PER_PAGE) + (logs.length % ITEMS_PER_PAGE === 0 ? 1 : 0)}
-          count={logs.length + (logs.length % ITEMS_PER_PAGE === 0 ? 1 : 0)}
+            page={activePage + 1}
-          rowsPerPage={ITEMS_PER_PAGE}
+            onChange={(e, page) => onPaginationChange(e, page - 1)}
-          onPageChange={onPaginationChange}
+            color="primary"
-          rowsPerPageOptions={[ITEMS_PER_PAGE]}
+            showFirstButton
+            showLastButton
           />
+        </Box>
       </Card>
     </>
   );