diff --git a/relay/channel/openai/adaptor.go b/relay/channel/openai/adaptor.go
index 01a5fa97..8f81ab8c 100644
--- a/relay/channel/openai/adaptor.go
+++ b/relay/channel/openai/adaptor.go
@@ -67,7 +67,7 @@ func (a *Adaptor) ConvertClaudeRequest(c *gin.Context, info *relaycommon.RelayIn
 	if err != nil {
 		return nil, err
 	}
-	if info.SupportStreamOptions {
+	if info.SupportStreamOptions && info.IsStream {
 		aiRequest.StreamOptions = &dto.StreamOptions{
 			IncludeUsage: true,
 		}
@@ -188,6 +188,7 @@ func (a *Adaptor) ConvertOpenAIRequest(c *gin.Context, info *relaycommon.RelayIn
 		if len(request.Usage) == 0 {
 			request.Usage = json.RawMessage(`{"include":true}`)
 		}
+		// 适配 OpenRouter 的 thinking 后缀
 		if strings.HasSuffix(info.UpstreamModelName, "-thinking") {
 			info.UpstreamModelName = strings.TrimSuffix(info.UpstreamModelName, "-thinking")
 			request.Model = info.UpstreamModelName
@@ -195,7 +196,7 @@ func (a *Adaptor) ConvertOpenAIRequest(c *gin.Context, info *relaycommon.RelayIn
 				reasoning := map[string]any{
 					"enabled": true,
 				}
-				if request.ReasoningEffort != "" {
+				if request.ReasoningEffort != "" && request.ReasoningEffort != "none" {
 					reasoning["effort"] = request.ReasoningEffort
 				}
 				marshal, err := common.Marshal(reasoning)
@@ -204,6 +205,23 @@ func (a *Adaptor) ConvertOpenAIRequest(c *gin.Context, info *relaycommon.RelayIn
 				}
 				request.Reasoning = marshal
 			}
+		} else {
+			if len(request.Reasoning) == 0 {
+				// 适配 OpenAI 的 ReasoningEffort 格式
+				if request.ReasoningEffort != "" {
+					reasoning := map[string]any{
+						"enabled": true,
+					}
+					if request.ReasoningEffort != "none" {
+						reasoning["effort"] = request.ReasoningEffort
+						marshal, err := common.Marshal(reasoning)
+						if err != nil {
+							return nil, fmt.Errorf("error marshalling reasoning: %w", err)
+						}
+						request.Reasoning = marshal
+					}
+				}
+			}
 		}
 	}
 	if strings.HasPrefix(request.Model, "o") || strings.HasPrefix(request.Model, "gpt-5") {
diff --git a/relay/channel/openai/relay-openai.go b/relay/channel/openai/relay-openai.go
index 9ae0a200..b8e72273 100644
--- a/relay/channel/openai/relay-openai.go
+++ b/relay/channel/openai/relay-openai.go
@@ -180,6 +180,9 @@ func OpenaiHandler(c *gin.Context, info *relaycommon.RelayInfo, resp *http.Respo
 	if err != nil {
 		return nil, types.NewOpenAIError(err, types.ErrorCodeReadResponseBodyFailed, http.StatusInternalServerError)
 	}
+	if common.DebugEnabled {
+		println("upstream response body:", string(responseBody))
+	}
 	err = common.Unmarshal(responseBody, &simpleResponse)
 	if err != nil {
 		return nil, types.NewOpenAIError(err, types.ErrorCodeBadResponseBody, http.StatusInternalServerError)
diff --git a/service/convert.go b/service/convert.go
index 967e4682..925feae9 100644
--- a/service/convert.go
+++ b/service/convert.go
@@ -401,22 +401,26 @@ func ResponseOpenAI2Claude(openAIResponse *dto.OpenAITextResponse, info *relayco
 	}
 	for _, choice := range openAIResponse.Choices {
 		stopReason = stopReasonOpenAI2Claude(choice.FinishReason)
-		claudeContent := dto.ClaudeMediaMessage{}
 		if choice.FinishReason == "tool_calls" {
-			claudeContent.Type = "tool_use"
-			claudeContent.Id = choice.Message.ToolCallId
-			claudeContent.Name = choice.Message.ParseToolCalls()[0].Function.Name
-			var mapParams map[string]interface{}
-			if err := json.Unmarshal([]byte(choice.Message.ParseToolCalls()[0].Function.Arguments), &mapParams); err == nil {
-				claudeContent.Input = mapParams
-			} else {
-				claudeContent.Input = choice.Message.ParseToolCalls()[0].Function.Arguments
+			for _, toolUse := range choice.Message.ParseToolCalls() {
+				claudeContent := dto.ClaudeMediaMessage{}
+				claudeContent.Type = "tool_use"
+				claudeContent.Id = toolUse.ID
+				claudeContent.Name = toolUse.Function.Name
+				var mapParams map[string]interface{}
+				if err := common.Unmarshal([]byte(toolUse.Function.Arguments), &mapParams); err == nil {
+					claudeContent.Input = mapParams
+				} else {
+					claudeContent.Input = toolUse.Function.Arguments
+				}
+				contents = append(contents, claudeContent)
 			}
 		} else {
+			claudeContent := dto.ClaudeMediaMessage{}
 			claudeContent.Type = "text"
 			claudeContent.SetText(choice.Message.StringContent())
+			contents = append(contents, claudeContent)
 		}
-		contents = append(contents, claudeContent)
 	}
 	claudeResponse.Content = contents
 	claudeResponse.StopReason = stopReason