diff --git a/relay/channel/ali/adaptor.go b/relay/channel/ali/adaptor.go
index 9e9b9b255..f3cc4b6c3 100644
--- a/relay/channel/ali/adaptor.go
+++ b/relay/channel/ali/adaptor.go
@@ -224,10 +224,10 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	case types.RelayFormatClaude:
 		if supportsAliAnthropicMessages(info.UpstreamModelName) {
 			if info.IsStream {
-				return claude.ClaudeStreamHandler(c, resp, info, claude.RequestModeMessage)
+				return claude.ClaudeStreamHandler(c, resp, info)
 			}
 
-			return claude.ClaudeHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeHandler(c, resp, info)
 		}
 
 		adaptor := openai.Adaptor{}
diff --git a/relay/channel/aws/constants.go b/relay/channel/aws/constants.go
index 888d96eef..4b78b3985 100644
--- a/relay/channel/aws/constants.go
+++ b/relay/channel/aws/constants.go
@@ -3,10 +3,7 @@ package aws
 import "strings"
 
 var awsModelIDMap = map[string]string{
-	"claude-instant-1.2":         "anthropic.claude-instant-v1",
-	"claude-2.0":                 "anthropic.claude-v2",
-	"claude-2.1":                 "anthropic.claude-v2:1",
-	"claude-3-sonnet-20240229":   "anthropic.claude-3-sonnet-20240229-v1:0",
+	"claude-3-sonnet-20240229": "anthropic.claude-3-sonnet-20240229-v1:0",
 	"claude-3-opus-20240229":     "anthropic.claude-3-opus-20240229-v1:0",
 	"claude-3-haiku-20240307":    "anthropic.claude-3-haiku-20240307-v1:0",
 	"claude-3-5-sonnet-20240620": "anthropic.claude-3-5-sonnet-20240620-v1:0",
diff --git a/relay/channel/aws/relay-aws.go b/relay/channel/aws/relay-aws.go
index ea59aedae..aab4baea0 100644
--- a/relay/channel/aws/relay-aws.go
+++ b/relay/channel/aws/relay-aws.go
@@ -233,7 +233,7 @@ func awsHandler(c *gin.Context, info *relaycommon.RelayInfo, a *Adaptor) (*types
 		c.Writer.Header().Set("Content-Type", *awsResp.ContentType)
 	}
 
-	handlerErr := claude.HandleClaudeResponseData(c, info, claudeInfo, nil, awsResp.Body, claude.RequestModeMessage)
+	handlerErr := claude.HandleClaudeResponseData(c, info, claudeInfo, nil, awsResp.Body)
 	if handlerErr != nil {
 		return handlerErr, nil
 	}
@@ -264,7 +264,7 @@ func awsStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, a *Adaptor) (
 		switch v := event.(type) {
 		case *bedrockruntimeTypes.ResponseStreamMemberChunk:
 			info.SetFirstResponseTime()
-			respErr := claude.HandleStreamResponseData(c, info, claudeInfo, string(v.Value.Bytes), claude.RequestModeMessage)
+			respErr := claude.HandleStreamResponseData(c, info, claudeInfo, string(v.Value.Bytes))
 			if respErr != nil {
 				return respErr, nil
 			}
@@ -277,7 +277,7 @@ func awsStreamHandler(c *gin.Context, info *relaycommon.RelayInfo, a *Adaptor) (
 		}
 	}
 
-	claude.HandleStreamFinalResponse(c, info, claudeInfo, claude.RequestModeMessage)
+	claude.HandleStreamFinalResponse(c, info, claudeInfo)
 	return nil, claudeInfo.Usage
 }
 
diff --git a/relay/channel/claude/adaptor.go b/relay/channel/claude/adaptor.go
index b9b7447f2..295953914 100644
--- a/relay/channel/claude/adaptor.go
+++ b/relay/channel/claude/adaptor.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"io"
 	"net/http"
-	"strings"
 
 	"github.com/QuantumNous/new-api/dto"
 	"github.com/QuantumNous/new-api/relay/channel"
@@ -16,13 +15,7 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-const (
-	RequestModeCompletion = 1
-	RequestModeMessage    = 2
-)
-
 type Adaptor struct {
-	RequestMode int
 }
 
 func (a *Adaptor) ConvertGeminiRequest(*gin.Context, *relaycommon.RelayInfo, *dto.GeminiChatRequest) (any, error) {
@@ -45,20 +38,10 @@ func (a *Adaptor) ConvertImageRequest(c *gin.Context, info *relaycommon.RelayInf
 }
 
 func (a *Adaptor) Init(info *relaycommon.RelayInfo) {
-	if strings.HasPrefix(info.UpstreamModelName, "claude-2") || strings.HasPrefix(info.UpstreamModelName, "claude-instant") {
-		a.RequestMode = RequestModeCompletion
-	} else {
-		a.RequestMode = RequestModeMessage
-	}
 }
 
 func (a *Adaptor) GetRequestURL(info *relaycommon.RelayInfo) (string, error) {
-	baseURL := ""
-	if a.RequestMode == RequestModeMessage {
-		baseURL = fmt.Sprintf("%s/v1/messages", info.ChannelBaseUrl)
-	} else {
-		baseURL = fmt.Sprintf("%s/v1/complete", info.ChannelBaseUrl)
-	}
+	baseURL := fmt.Sprintf("%s/v1/messages", info.ChannelBaseUrl)
 	if info.IsClaudeBetaQuery {
 		baseURL = baseURL + "?beta=true"
 	}
@@ -90,11 +73,7 @@ func (a *Adaptor) ConvertOpenAIRequest(c *gin.Context, info *relaycommon.RelayIn
 	if request == nil {
 		return nil, errors.New("request is nil")
 	}
-	if a.RequestMode == RequestModeCompletion {
-		return RequestOpenAI2ClaudeComplete(*request), nil
-	} else {
-		return RequestOpenAI2ClaudeMessage(c, *request)
-	}
+	return RequestOpenAI2ClaudeMessage(c, *request)
 }
 
 func (a *Adaptor) ConvertRerankRequest(c *gin.Context, relayMode int, request dto.RerankRequest) (any, error) {
@@ -117,11 +96,10 @@ func (a *Adaptor) DoRequest(c *gin.Context, info *relaycommon.RelayInfo, request
 
 func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (usage any, err *types.NewAPIError) {
 	if info.IsStream {
-		return ClaudeStreamHandler(c, resp, info, a.RequestMode)
+		return ClaudeStreamHandler(c, resp, info)
 	} else {
-		return ClaudeHandler(c, resp, info, a.RequestMode)
+		return ClaudeHandler(c, resp, info)
 	}
-	return
 }
 
 func (a *Adaptor) GetModelList() []string {
diff --git a/relay/channel/claude/constants.go b/relay/channel/claude/constants.go
index 7debb353e..b5dcc5af4 100644
--- a/relay/channel/claude/constants.go
+++ b/relay/channel/claude/constants.go
@@ -1,10 +1,6 @@
 package claude
 
 var ModelList = []string{
-	"claude-instant-1.2",
-	"claude-2",
-	"claude-2.0",
-	"claude-2.1",
 	"claude-3-sonnet-20240229",
 	"claude-3-opus-20240229",
 	"claude-3-haiku-20240307",
diff --git a/relay/channel/claude/relay-claude.go b/relay/channel/claude/relay-claude.go
index f7e8abd15..6d90daa08 100644
--- a/relay/channel/claude/relay-claude.go
+++ b/relay/channel/claude/relay-claude.go
@@ -41,37 +41,6 @@ func maybeMarkClaudeRefusal(c *gin.Context, stopReason string) {
 	}
 }
 
-func RequestOpenAI2ClaudeComplete(textRequest dto.GeneralOpenAIRequest) *dto.ClaudeRequest {
-
-	claudeRequest := dto.ClaudeRequest{
-		Model:         textRequest.Model,
-		Prompt:        "",
-		StopSequences: nil,
-		Temperature:   textRequest.Temperature,
-		TopP:          textRequest.TopP,
-		TopK:          textRequest.TopK,
-		Stream:        textRequest.Stream,
-	}
-	if claudeRequest.MaxTokensToSample == 0 {
-		claudeRequest.MaxTokensToSample = 4096
-	}
-	prompt := ""
-	for _, message := range textRequest.Messages {
-		if message.Role == "user" {
-			prompt += fmt.Sprintf("\n\nHuman: %s", message.StringContent())
-		} else if message.Role == "assistant" {
-			prompt += fmt.Sprintf("\n\nAssistant: %s", message.StringContent())
-		} else if message.Role == "system" {
-			if prompt == "" {
-				prompt = message.StringContent()
-			}
-		}
-	}
-	prompt += "\n\nAssistant:"
-	claudeRequest.Prompt = prompt
-	return &claudeRequest
-}
-
 func RequestOpenAI2ClaudeMessage(c *gin.Context, textRequest dto.GeneralOpenAIRequest) (*dto.ClaudeRequest, error) {
 	claudeTools := make([]any, 0, len(textRequest.Tools))
 
@@ -411,7 +380,7 @@ func RequestOpenAI2ClaudeMessage(c *gin.Context, textRequest dto.GeneralOpenAIRe
 	return &claudeRequest, nil
 }
 
-func StreamResponseClaude2OpenAI(reqMode int, claudeResponse *dto.ClaudeResponse) *dto.ChatCompletionsStreamResponse {
+func StreamResponseClaude2OpenAI(claudeResponse *dto.ClaudeResponse) *dto.ChatCompletionsStreamResponse {
 	var response dto.ChatCompletionsStreamResponse
 	response.Object = "chat.completion.chunk"
 	response.Model = claudeResponse.Model
@@ -425,74 +394,66 @@ func StreamResponseClaude2OpenAI(reqMode int, claudeResponse *dto.ClaudeResponse
 		}
 	}
 	var choice dto.ChatCompletionsStreamResponseChoice
-	if reqMode == RequestModeCompletion {
-		choice.Delta.SetContentString(claudeResponse.Completion)
-		finishReason := stopReasonClaude2OpenAI(claudeResponse.StopReason)
-		if finishReason != "null" {
-			choice.FinishReason = &finishReason
+	if claudeResponse.Type == "message_start" {
+		if claudeResponse.Message != nil {
+			response.Id = claudeResponse.Message.Id
+			response.Model = claudeResponse.Message.Model
 		}
-	} else {
-		if claudeResponse.Type == "message_start" {
-			if claudeResponse.Message != nil {
-				response.Id = claudeResponse.Message.Id
-				response.Model = claudeResponse.Message.Model
+		//claudeUsage = &claudeResponse.Message.Usage
+		choice.Delta.SetContentString("")
+		choice.Delta.Role = "assistant"
+	} else if claudeResponse.Type == "content_block_start" {
+		if claudeResponse.ContentBlock != nil {
+			// 如果是文本块，尽可能发送首段文本（若存在）
+			if claudeResponse.ContentBlock.Type == "text" && claudeResponse.ContentBlock.Text != nil {
+				choice.Delta.SetContentString(*claudeResponse.ContentBlock.Text)
 			}
-			//claudeUsage = &claudeResponse.Message.Usage
-			choice.Delta.SetContentString("")
-			choice.Delta.Role = "assistant"
-		} else if claudeResponse.Type == "content_block_start" {
-			if claudeResponse.ContentBlock != nil {
-				// 如果是文本块，尽可能发送首段文本（若存在）
-				if claudeResponse.ContentBlock.Type == "text" && claudeResponse.ContentBlock.Text != nil {
-					choice.Delta.SetContentString(*claudeResponse.ContentBlock.Text)
-				}
-				if claudeResponse.ContentBlock.Type == "tool_use" {
-					tools = append(tools, dto.ToolCallResponse{
-						Index: common.GetPointer(fcIdx),
-						ID:    claudeResponse.ContentBlock.Id,
-						Type:  "function",
-						Function: dto.FunctionResponse{
-							Name:      claudeResponse.ContentBlock.Name,
-							Arguments: "",
-						},
-					})
-				}
-			} else {
-				return nil
+			if claudeResponse.ContentBlock.Type == "tool_use" {
+				tools = append(tools, dto.ToolCallResponse{
+					Index: common.GetPointer(fcIdx),
+					ID:    claudeResponse.ContentBlock.Id,
+					Type:  "function",
+					Function: dto.FunctionResponse{
+						Name:      claudeResponse.ContentBlock.Name,
+						Arguments: "",
+					},
+				})
 			}
-		} else if claudeResponse.Type == "content_block_delta" {
-			if claudeResponse.Delta != nil {
-				choice.Delta.Content = claudeResponse.Delta.Text
-				switch claudeResponse.Delta.Type {
-				case "input_json_delta":
-					tools = append(tools, dto.ToolCallResponse{
-						Type:  "function",
-						Index: common.GetPointer(fcIdx),
-						Function: dto.FunctionResponse{
-							Arguments: *claudeResponse.Delta.PartialJson,
-						},
-					})
-				case "signature_delta":
-					// 加密的不处理
-					signatureContent := "\n"
-					choice.Delta.ReasoningContent = &signatureContent
-				case "thinking_delta":
-					choice.Delta.ReasoningContent = claudeResponse.Delta.Thinking
-				}
-			}
-		} else if claudeResponse.Type == "message_delta" {
-			if claudeResponse.Delta != nil && claudeResponse.Delta.StopReason != nil {
-				finishReason := stopReasonClaude2OpenAI(*claudeResponse.Delta.StopReason)
-				if finishReason != "null" {
-					choice.FinishReason = &finishReason
-				}
-			}
-			//claudeUsage = &claudeResponse.Usage
-		} else if claudeResponse.Type == "message_stop" {
-			return nil
 		} else {
 			return nil
 		}
+	} else if claudeResponse.Type == "content_block_delta" {
+		if claudeResponse.Delta != nil {
+			choice.Delta.Content = claudeResponse.Delta.Text
+			switch claudeResponse.Delta.Type {
+			case "input_json_delta":
+				tools = append(tools, dto.ToolCallResponse{
+					Type:  "function",
+					Index: common.GetPointer(fcIdx),
+					Function: dto.FunctionResponse{
+						Arguments: *claudeResponse.Delta.PartialJson,
+					},
+				})
+			case "signature_delta":
+				// 加密的不处理
+				signatureContent := "\n"
+				choice.Delta.ReasoningContent = &signatureContent
+			case "thinking_delta":
+				choice.Delta.ReasoningContent = claudeResponse.Delta.Thinking
+			}
+		}
+	} else if claudeResponse.Type == "message_delta" {
+		if claudeResponse.Delta != nil && claudeResponse.Delta.StopReason != nil {
+			finishReason := stopReasonClaude2OpenAI(*claudeResponse.Delta.StopReason)
+			if finishReason != "null" {
+				choice.FinishReason = &finishReason
+			}
+		}
+		//claudeUsage = &claudeResponse.Usage
+	} else if claudeResponse.Type == "message_stop" {
+		return nil
+	} else {
+		return nil
 	}
 	if len(tools) > 0 {
 		choice.Delta.Content = nil // compatible with other OpenAI derivative applications, like LobeOpenAICompatibleFactory ...
@@ -503,7 +464,7 @@ func StreamResponseClaude2OpenAI(reqMode int, claudeResponse *dto.ClaudeResponse
 	return &response
 }
 
-func ResponseClaude2OpenAI(reqMode int, claudeResponse *dto.ClaudeResponse) *dto.OpenAITextResponse {
+func ResponseClaude2OpenAI(claudeResponse *dto.ClaudeResponse) *dto.OpenAITextResponse {
 	choices := make([]dto.OpenAITextResponseChoice, 0)
 	fullTextResponse := dto.OpenAITextResponse{
 		Id:      fmt.Sprintf("chatcmpl-%s", common.GetUUID()),
@@ -521,39 +482,26 @@ func ResponseClaude2OpenAI(reqMode int, claudeResponse *dto.ClaudeResponse) *dto
 	tools := make([]dto.ToolCallResponse, 0)
 	thinkingContent := ""
 
-	if reqMode == RequestModeCompletion {
-		choice := dto.OpenAITextResponseChoice{
-			Index: 0,
-			Message: dto.Message{
-				Role:    "assistant",
-				Content: strings.TrimPrefix(claudeResponse.Completion, " "),
-				Name:    nil,
-			},
-			FinishReason: stopReasonClaude2OpenAI(claudeResponse.StopReason),
-		}
-		choices = append(choices, choice)
-	} else {
-		fullTextResponse.Id = claudeResponse.Id
-		for _, message := range claudeResponse.Content {
-			switch message.Type {
-			case "tool_use":
-				args, _ := json.Marshal(message.Input)
-				tools = append(tools, dto.ToolCallResponse{
-					ID:   message.Id,
-					Type: "function", // compatible with other OpenAI derivative applications
-					Function: dto.FunctionResponse{
-						Name:      message.Name,
-						Arguments: string(args),
-					},
-				})
-			case "thinking":
-				// 加密的不管， 只输出明文的推理过程
-				if message.Thinking != nil {
-					thinkingContent = *message.Thinking
-				}
-			case "text":
-				responseText = message.GetText()
+	fullTextResponse.Id = claudeResponse.Id
+	for _, message := range claudeResponse.Content {
+		switch message.Type {
+		case "tool_use":
+			args, _ := json.Marshal(message.Input)
+			tools = append(tools, dto.ToolCallResponse{
+				ID:   message.Id,
+				Type: "function", // compatible with other OpenAI derivative applications
+				Function: dto.FunctionResponse{
+					Name:      message.Name,
+					Arguments: string(args),
+				},
+			})
+		case "thinking":
+			// 加密的不管， 只输出明文的推理过程
+			if message.Thinking != nil {
+				thinkingContent = *message.Thinking
 			}
+		case "text":
+			responseText = message.GetText()
 		}
 	}
 	choice := dto.OpenAITextResponseChoice{
@@ -586,71 +534,67 @@ type ClaudeResponseInfo struct {
 	Done         bool
 }
 
-func FormatClaudeResponseInfo(requestMode int, claudeResponse *dto.ClaudeResponse, oaiResponse *dto.ChatCompletionsStreamResponse, claudeInfo *ClaudeResponseInfo) bool {
+func FormatClaudeResponseInfo(claudeResponse *dto.ClaudeResponse, oaiResponse *dto.ChatCompletionsStreamResponse, claudeInfo *ClaudeResponseInfo) bool {
 	if claudeInfo == nil {
 		return false
 	}
 	if claudeInfo.Usage == nil {
 		claudeInfo.Usage = &dto.Usage{}
 	}
-	if requestMode == RequestModeCompletion {
-		claudeInfo.ResponseText.WriteString(claudeResponse.Completion)
-	} else {
-		if claudeResponse.Type == "message_start" {
-			if claudeResponse.Message != nil {
-				claudeInfo.ResponseId = claudeResponse.Message.Id
-				claudeInfo.Model = claudeResponse.Message.Model
-			}
-
-			// message_start, 获取usage
-			if claudeResponse.Message != nil && claudeResponse.Message.Usage != nil {
-				claudeInfo.Usage.PromptTokens = claudeResponse.Message.Usage.InputTokens
-				claudeInfo.Usage.PromptTokensDetails.CachedTokens = claudeResponse.Message.Usage.CacheReadInputTokens
-				claudeInfo.Usage.PromptTokensDetails.CachedCreationTokens = claudeResponse.Message.Usage.CacheCreationInputTokens
-				claudeInfo.Usage.ClaudeCacheCreation5mTokens = claudeResponse.Message.Usage.GetCacheCreation5mTokens()
-				claudeInfo.Usage.ClaudeCacheCreation1hTokens = claudeResponse.Message.Usage.GetCacheCreation1hTokens()
-				claudeInfo.Usage.CompletionTokens = claudeResponse.Message.Usage.OutputTokens
-			}
-		} else if claudeResponse.Type == "content_block_delta" {
-			if claudeResponse.Delta != nil {
-				if claudeResponse.Delta.Text != nil {
-					claudeInfo.ResponseText.WriteString(*claudeResponse.Delta.Text)
-				}
-				if claudeResponse.Delta.Thinking != nil {
-					claudeInfo.ResponseText.WriteString(*claudeResponse.Delta.Thinking)
-				}
-			}
-		} else if claudeResponse.Type == "message_delta" {
-			// 最终的usage获取
-			if claudeResponse.Usage != nil {
-				if claudeResponse.Usage.InputTokens > 0 {
-					// 不叠加，只取最新的
-					claudeInfo.Usage.PromptTokens = claudeResponse.Usage.InputTokens
-				}
-				if claudeResponse.Usage.CacheReadInputTokens > 0 {
-					claudeInfo.Usage.PromptTokensDetails.CachedTokens = claudeResponse.Usage.CacheReadInputTokens
-				}
-				if claudeResponse.Usage.CacheCreationInputTokens > 0 {
-					claudeInfo.Usage.PromptTokensDetails.CachedCreationTokens = claudeResponse.Usage.CacheCreationInputTokens
-				}
-				if cacheCreation5m := claudeResponse.Usage.GetCacheCreation5mTokens(); cacheCreation5m > 0 {
-					claudeInfo.Usage.ClaudeCacheCreation5mTokens = cacheCreation5m
-				}
-				if cacheCreation1h := claudeResponse.Usage.GetCacheCreation1hTokens(); cacheCreation1h > 0 {
-					claudeInfo.Usage.ClaudeCacheCreation1hTokens = cacheCreation1h
-				}
-				if claudeResponse.Usage.OutputTokens > 0 {
-					claudeInfo.Usage.CompletionTokens = claudeResponse.Usage.OutputTokens
-				}
-				claudeInfo.Usage.TotalTokens = claudeInfo.Usage.PromptTokens + claudeInfo.Usage.CompletionTokens
-			}
-
-			// 判断是否完整
-			claudeInfo.Done = true
-		} else if claudeResponse.Type == "content_block_start" {
-		} else {
-			return false
+	if claudeResponse.Type == "message_start" {
+		if claudeResponse.Message != nil {
+			claudeInfo.ResponseId = claudeResponse.Message.Id
+			claudeInfo.Model = claudeResponse.Message.Model
 		}
+
+		// message_start, 获取usage
+		if claudeResponse.Message != nil && claudeResponse.Message.Usage != nil {
+			claudeInfo.Usage.PromptTokens = claudeResponse.Message.Usage.InputTokens
+			claudeInfo.Usage.PromptTokensDetails.CachedTokens = claudeResponse.Message.Usage.CacheReadInputTokens
+			claudeInfo.Usage.PromptTokensDetails.CachedCreationTokens = claudeResponse.Message.Usage.CacheCreationInputTokens
+			claudeInfo.Usage.ClaudeCacheCreation5mTokens = claudeResponse.Message.Usage.GetCacheCreation5mTokens()
+			claudeInfo.Usage.ClaudeCacheCreation1hTokens = claudeResponse.Message.Usage.GetCacheCreation1hTokens()
+			claudeInfo.Usage.CompletionTokens = claudeResponse.Message.Usage.OutputTokens
+		}
+	} else if claudeResponse.Type == "content_block_delta" {
+		if claudeResponse.Delta != nil {
+			if claudeResponse.Delta.Text != nil {
+				claudeInfo.ResponseText.WriteString(*claudeResponse.Delta.Text)
+			}
+			if claudeResponse.Delta.Thinking != nil {
+				claudeInfo.ResponseText.WriteString(*claudeResponse.Delta.Thinking)
+			}
+		}
+	} else if claudeResponse.Type == "message_delta" {
+		// 最终的usage获取
+		if claudeResponse.Usage != nil {
+			if claudeResponse.Usage.InputTokens > 0 {
+				// 不叠加，只取最新的
+				claudeInfo.Usage.PromptTokens = claudeResponse.Usage.InputTokens
+			}
+			if claudeResponse.Usage.CacheReadInputTokens > 0 {
+				claudeInfo.Usage.PromptTokensDetails.CachedTokens = claudeResponse.Usage.CacheReadInputTokens
+			}
+			if claudeResponse.Usage.CacheCreationInputTokens > 0 {
+				claudeInfo.Usage.PromptTokensDetails.CachedCreationTokens = claudeResponse.Usage.CacheCreationInputTokens
+			}
+			if cacheCreation5m := claudeResponse.Usage.GetCacheCreation5mTokens(); cacheCreation5m > 0 {
+				claudeInfo.Usage.ClaudeCacheCreation5mTokens = cacheCreation5m
+			}
+			if cacheCreation1h := claudeResponse.Usage.GetCacheCreation1hTokens(); cacheCreation1h > 0 {
+				claudeInfo.Usage.ClaudeCacheCreation1hTokens = cacheCreation1h
+			}
+			if claudeResponse.Usage.OutputTokens > 0 {
+				claudeInfo.Usage.CompletionTokens = claudeResponse.Usage.OutputTokens
+			}
+			claudeInfo.Usage.TotalTokens = claudeInfo.Usage.PromptTokens + claudeInfo.Usage.CompletionTokens
+		}
+
+		// 判断是否完整
+		claudeInfo.Done = true
+	} else if claudeResponse.Type == "content_block_start" {
+	} else {
+		return false
 	}
 	if oaiResponse != nil {
 		oaiResponse.Id = claudeInfo.ResponseId
@@ -660,7 +604,7 @@ func FormatClaudeResponseInfo(requestMode int, claudeResponse *dto.ClaudeRespons
 	return true
 }
 
-func HandleStreamResponseData(c *gin.Context, info *relaycommon.RelayInfo, claudeInfo *ClaudeResponseInfo, data string, requestMode int) *types.NewAPIError {
+func HandleStreamResponseData(c *gin.Context, info *relaycommon.RelayInfo, claudeInfo *ClaudeResponseInfo, data string) *types.NewAPIError {
 	var claudeResponse dto.ClaudeResponse
 	err := common.UnmarshalJsonStr(data, &claudeResponse)
 	if err != nil {
@@ -677,24 +621,19 @@ func HandleStreamResponseData(c *gin.Context, info *relaycommon.RelayInfo, claud
 		maybeMarkClaudeRefusal(c, *claudeResponse.Delta.StopReason)
 	}
 	if info.RelayFormat == types.RelayFormatClaude {
-		FormatClaudeResponseInfo(requestMode, &claudeResponse, nil, claudeInfo)
+		FormatClaudeResponseInfo(&claudeResponse, nil, claudeInfo)
 
-		if requestMode == RequestModeCompletion {
-		} else {
-			if claudeResponse.Type == "message_start" {
-				// message_start, 获取usage
-				if claudeResponse.Message != nil {
-					info.UpstreamModelName = claudeResponse.Message.Model
-				}
-			} else if claudeResponse.Type == "content_block_delta" {
-			} else if claudeResponse.Type == "message_delta" {
+		if claudeResponse.Type == "message_start" {
+			// message_start, 获取usage
+			if claudeResponse.Message != nil {
+				info.UpstreamModelName = claudeResponse.Message.Model
 			}
 		}
 		helper.ClaudeChunkData(c, claudeResponse, data)
 	} else if info.RelayFormat == types.RelayFormatOpenAI {
-		response := StreamResponseClaude2OpenAI(requestMode, &claudeResponse)
+		response := StreamResponseClaude2OpenAI(&claudeResponse)
 
-		if !FormatClaudeResponseInfo(requestMode, &claudeResponse, response, claudeInfo) {
+		if !FormatClaudeResponseInfo(&claudeResponse, response, claudeInfo) {
 			return nil
 		}
 
@@ -706,20 +645,15 @@ func HandleStreamResponseData(c *gin.Context, info *relaycommon.RelayInfo, claud
 	return nil
 }
 
-func HandleStreamFinalResponse(c *gin.Context, info *relaycommon.RelayInfo, claudeInfo *ClaudeResponseInfo, requestMode int) {
-
-	if requestMode == RequestModeCompletion {
-		claudeInfo.Usage = service.ResponseText2Usage(c, claudeInfo.ResponseText.String(), info.UpstreamModelName, info.GetEstimatePromptTokens())
-	} else {
-		if claudeInfo.Usage.PromptTokens == 0 {
-			//上游出错
-		}
-		if claudeInfo.Usage.CompletionTokens == 0 || !claudeInfo.Done {
-			if common.DebugEnabled {
-				common.SysLog("claude response usage is not complete, maybe upstream error")
-			}
-			claudeInfo.Usage = service.ResponseText2Usage(c, claudeInfo.ResponseText.String(), info.UpstreamModelName, claudeInfo.Usage.PromptTokens)
+func HandleStreamFinalResponse(c *gin.Context, info *relaycommon.RelayInfo, claudeInfo *ClaudeResponseInfo) {
+	if claudeInfo.Usage.PromptTokens == 0 {
+		//上游出错
+	}
+	if claudeInfo.Usage.CompletionTokens == 0 || !claudeInfo.Done {
+		if common.DebugEnabled {
+			common.SysLog("claude response usage is not complete, maybe upstream error")
 		}
+		claudeInfo.Usage = service.ResponseText2Usage(c, claudeInfo.ResponseText.String(), info.UpstreamModelName, claudeInfo.Usage.PromptTokens)
 	}
 
 	if info.RelayFormat == types.RelayFormatClaude {
@@ -736,7 +670,7 @@ func HandleStreamFinalResponse(c *gin.Context, info *relaycommon.RelayInfo, clau
 	}
 }
 
-func ClaudeStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo, requestMode int) (*dto.Usage, *types.NewAPIError) {
+func ClaudeStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (*dto.Usage, *types.NewAPIError) {
 	claudeInfo := &ClaudeResponseInfo{
 		ResponseId:   helper.GetResponseID(c),
 		Created:      common.GetTimestamp(),
@@ -746,7 +680,7 @@ func ClaudeStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 	}
 	var err *types.NewAPIError
 	helper.StreamScannerHandler(c, resp, info, func(data string) bool {
-		err = HandleStreamResponseData(c, info, claudeInfo, data, requestMode)
+		err = HandleStreamResponseData(c, info, claudeInfo, data)
 		if err != nil {
 			return false
 		}
@@ -756,11 +690,11 @@ func ClaudeStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.
 		return nil, err
 	}
 
-	HandleStreamFinalResponse(c, info, claudeInfo, requestMode)
+	HandleStreamFinalResponse(c, info, claudeInfo)
 	return claudeInfo.Usage, nil
 }
 
-func HandleClaudeResponseData(c *gin.Context, info *relaycommon.RelayInfo, claudeInfo *ClaudeResponseInfo, httpResp *http.Response, data []byte, requestMode int) *types.NewAPIError {
+func HandleClaudeResponseData(c *gin.Context, info *relaycommon.RelayInfo, claudeInfo *ClaudeResponseInfo, httpResp *http.Response, data []byte) *types.NewAPIError {
 	var claudeResponse dto.ClaudeResponse
 	err := common.Unmarshal(data, &claudeResponse)
 	if err != nil {
@@ -770,26 +704,22 @@ func HandleClaudeResponseData(c *gin.Context, info *relaycommon.RelayInfo, claud
 		return types.WithClaudeError(*claudeError, http.StatusInternalServerError)
 	}
 	maybeMarkClaudeRefusal(c, claudeResponse.StopReason)
-	if requestMode == RequestModeCompletion {
-		claudeInfo.Usage = service.ResponseText2Usage(c, claudeResponse.Completion, info.UpstreamModelName, info.GetEstimatePromptTokens())
-	} else {
-		if claudeInfo.Usage == nil {
-			claudeInfo.Usage = &dto.Usage{}
-		}
-		if claudeResponse.Usage != nil {
-			claudeInfo.Usage.PromptTokens = claudeResponse.Usage.InputTokens
-			claudeInfo.Usage.CompletionTokens = claudeResponse.Usage.OutputTokens
-			claudeInfo.Usage.TotalTokens = claudeResponse.Usage.InputTokens + claudeResponse.Usage.OutputTokens
-			claudeInfo.Usage.PromptTokensDetails.CachedTokens = claudeResponse.Usage.CacheReadInputTokens
-			claudeInfo.Usage.PromptTokensDetails.CachedCreationTokens = claudeResponse.Usage.CacheCreationInputTokens
-			claudeInfo.Usage.ClaudeCacheCreation5mTokens = claudeResponse.Usage.GetCacheCreation5mTokens()
-			claudeInfo.Usage.ClaudeCacheCreation1hTokens = claudeResponse.Usage.GetCacheCreation1hTokens()
-		}
+	if claudeInfo.Usage == nil {
+		claudeInfo.Usage = &dto.Usage{}
+	}
+	if claudeResponse.Usage != nil {
+		claudeInfo.Usage.PromptTokens = claudeResponse.Usage.InputTokens
+		claudeInfo.Usage.CompletionTokens = claudeResponse.Usage.OutputTokens
+		claudeInfo.Usage.TotalTokens = claudeResponse.Usage.InputTokens + claudeResponse.Usage.OutputTokens
+		claudeInfo.Usage.PromptTokensDetails.CachedTokens = claudeResponse.Usage.CacheReadInputTokens
+		claudeInfo.Usage.PromptTokensDetails.CachedCreationTokens = claudeResponse.Usage.CacheCreationInputTokens
+		claudeInfo.Usage.ClaudeCacheCreation5mTokens = claudeResponse.Usage.GetCacheCreation5mTokens()
+		claudeInfo.Usage.ClaudeCacheCreation1hTokens = claudeResponse.Usage.GetCacheCreation1hTokens()
 	}
 	var responseData []byte
 	switch info.RelayFormat {
 	case types.RelayFormatOpenAI:
-		openaiResponse := ResponseClaude2OpenAI(requestMode, &claudeResponse)
+		openaiResponse := ResponseClaude2OpenAI(&claudeResponse)
 		openaiResponse.Usage = *claudeInfo.Usage
 		responseData, err = json.Marshal(openaiResponse)
 		if err != nil {
@@ -807,7 +737,7 @@ func HandleClaudeResponseData(c *gin.Context, info *relaycommon.RelayInfo, claud
 	return nil
 }
 
-func ClaudeHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo, requestMode int) (*dto.Usage, *types.NewAPIError) {
+func ClaudeHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayInfo) (*dto.Usage, *types.NewAPIError) {
 	defer service.CloseResponseBodyGracefully(resp)
 
 	claudeInfo := &ClaudeResponseInfo{
@@ -824,7 +754,7 @@ func ClaudeHandler(c *gin.Context, resp *http.Response, info *relaycommon.RelayI
 	if common.DebugEnabled {
 		println("responseBody: ", string(responseBody))
 	}
-	handleErr := HandleClaudeResponseData(c, info, claudeInfo, resp, responseBody, requestMode)
+	handleErr := HandleClaudeResponseData(c, info, claudeInfo, resp, responseBody)
 	if handleErr != nil {
 		return nil, handleErr
 	}
diff --git a/relay/channel/deepseek/adaptor.go b/relay/channel/deepseek/adaptor.go
index 53488f0d5..6de2653b4 100644
--- a/relay/channel/deepseek/adaptor.go
+++ b/relay/channel/deepseek/adaptor.go
@@ -96,9 +96,9 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	switch info.RelayFormat {
 	case types.RelayFormatClaude:
 		if info.IsStream {
-			return claude.ClaudeStreamHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeStreamHandler(c, resp, info)
 		} else {
-			return claude.ClaudeHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeHandler(c, resp, info)
 		}
 	default:
 		adaptor := openai.Adaptor{}
diff --git a/relay/channel/moonshot/adaptor.go b/relay/channel/moonshot/adaptor.go
index 6591ee750..25a6e2a34 100644
--- a/relay/channel/moonshot/adaptor.go
+++ b/relay/channel/moonshot/adaptor.go
@@ -103,9 +103,9 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	switch info.RelayFormat {
 	case types.RelayFormatClaude:
 		if info.IsStream {
-			return claude.ClaudeStreamHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeStreamHandler(c, resp, info)
 		} else {
-			return claude.ClaudeHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeHandler(c, resp, info)
 		}
 	default:
 		adaptor := openai.Adaptor{}
diff --git a/relay/channel/vertex/adaptor.go b/relay/channel/vertex/adaptor.go
index 964c469fb..b9fbd19a4 100644
--- a/relay/channel/vertex/adaptor.go
+++ b/relay/channel/vertex/adaptor.go
@@ -367,7 +367,7 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	if info.IsStream {
 		switch a.RequestMode {
 		case RequestModeClaude:
-			return claude.ClaudeStreamHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeStreamHandler(c, resp, info)
 		case RequestModeGemini:
 			if info.RelayMode == constant.RelayModeGemini {
 				return gemini.GeminiTextGenerationStreamHandler(c, info, resp)
@@ -380,7 +380,7 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	} else {
 		switch a.RequestMode {
 		case RequestModeClaude:
-			return claude.ClaudeHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeHandler(c, resp, info)
 		case RequestModeGemini:
 			if info.RelayMode == constant.RelayModeGemini {
 				return gemini.GeminiTextGenerationHandler(c, info, resp)
diff --git a/relay/channel/volcengine/adaptor.go b/relay/channel/volcengine/adaptor.go
index 9e09d9d8d..22caa6b92 100644
--- a/relay/channel/volcengine/adaptor.go
+++ b/relay/channel/volcengine/adaptor.go
@@ -348,9 +348,9 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	if info.RelayFormat == types.RelayFormatClaude {
 		if _, ok := channelconstant.ChannelSpecialBases[info.ChannelBaseUrl]; ok {
 			if info.IsStream {
-				return claude.ClaudeStreamHandler(c, resp, info, claude.RequestModeMessage)
+				return claude.ClaudeStreamHandler(c, resp, info)
 			}
-			return claude.ClaudeHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeHandler(c, resp, info)
 		}
 	}
 
diff --git a/relay/channel/zhipu_4v/adaptor.go b/relay/channel/zhipu_4v/adaptor.go
index b11bea105..7e25c7ca5 100644
--- a/relay/channel/zhipu_4v/adaptor.go
+++ b/relay/channel/zhipu_4v/adaptor.go
@@ -110,9 +110,9 @@ func (a *Adaptor) DoResponse(c *gin.Context, resp *http.Response, info *relaycom
 	switch info.RelayFormat {
 	case types.RelayFormatClaude:
 		if info.IsStream {
-			return claude.ClaudeStreamHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeStreamHandler(c, resp, info)
 		} else {
-			return claude.ClaudeHandler(c, resp, info, claude.RequestModeMessage)
+			return claude.ClaudeHandler(c, resp, info)
 		}
 	default:
 		if info.RelayMode == relayconstant.RelayModeImagesGenerations {
diff --git a/setting/ratio_setting/model_ratio.go b/setting/ratio_setting/model_ratio.go
index c84b65fa3..61f6d044f 100644
--- a/setting/ratio_setting/model_ratio.go
+++ b/setting/ratio_setting/model_ratio.go
@@ -131,9 +131,6 @@ var defaultModelRatio = map[string]float64{
 	"text-search-ada-doc-001":                   10,
 	"text-moderation-stable":                    0.1,
 	"text-moderation-latest":                    0.1,
-	"claude-instant-1":                          0.4,   // $0.8 / 1M tokens
-	"claude-2.0":                                4,     // $8 / 1M tokens
-	"claude-2.1":                                4,     // $8 / 1M tokens
 	"claude-3-haiku-20240307":                   0.125, // $0.25 / 1M tokens
 	"claude-3-5-haiku-20241022":                 0.5,   // $1 / 1M tokens
 	"claude-haiku-4-5-20251001":                 0.5,   // $1 / 1M tokens
@@ -589,8 +586,6 @@ func getHardcodedCompletionModelRatio(name string) (float64, bool) {
 		return 5, true
 	} else if strings.Contains(name, "claude-sonnet-4") || strings.Contains(name, "claude-opus-4") || strings.Contains(name, "claude-haiku-4") {
 		return 5, true
-	} else if strings.Contains(name, "claude-instant-1") || strings.Contains(name, "claude-2") {
-		return 3, true
 	}
 
 	if strings.HasPrefix(name, "gpt-3.5") {
diff --git a/web/src/helpers/render.jsx b/web/src/helpers/render.jsx
index 5c58ff0e4..ecc252cfd 100644
--- a/web/src/helpers/render.jsx
+++ b/web/src/helpers/render.jsx
@@ -571,7 +571,6 @@ export const modelColorMap = {
   'claude-3-opus-20240229': 'rgb(255,132,31)', // 橙红色
   'claude-3-sonnet-20240229': 'rgb(253,135,93)', // 橙色
   'claude-3-haiku-20240307': 'rgb(255,175,146)', // 浅橙色
-  'claude-2.1': 'rgb(255,209,190)', // 浅橙色（略有区别）
 };
 
 export function modelToColor(modelName) {