diff --git a/providers/openai/chat.go b/providers/openai/chat.go
index 7e892b38..bd1bea6b 100644
--- a/providers/openai/chat.go
+++ b/providers/openai/chat.go
@@ -41,6 +41,17 @@ func (p *OpenAIProvider) CreateChatCompletion(request *types.ChatCompletionReque
 		return nil, errWithCode
 	}
 
+	if response.Usage == nil {
+		response.Usage = &types.Usage{
+			PromptTokens:     p.Usage.PromptTokens,
+			CompletionTokens: 0,
+			TotalTokens:      0,
+		}
+		// 那么需要计算
+		response.Usage.CompletionTokens = common.CountTokenText(response.GetContent(), request.Model)
+		response.Usage.TotalTokens = response.Usage.PromptTokens + response.Usage.CompletionTokens
+	}
+
 	*p.Usage = *response.Usage
 
 	return &response.ChatCompletionResponse, nil
diff --git a/types/chat.go b/types/chat.go
index 718b47a0..3e3668d8 100644
--- a/types/chat.go
+++ b/types/chat.go
@@ -189,6 +189,14 @@ type ChatCompletionResponse struct {
 	PromptFilterResults any                    `json:"prompt_filter_results,omitempty"`
 }
 
+func (cc *ChatCompletionResponse) GetContent() string {
+	var content string
+	for _, choice := range cc.Choices {
+		content += choice.Message.StringContent()
+	}
+	return content
+}
+
 func (c ChatCompletionStreamChoice) ConvertOpenaiStream() []ChatCompletionStreamChoice {
 	var function *ChatCompletionToolCallsFunction
 	var functions []*ChatCompletionToolCallsFunction