From 49c24d8bce5bb20df25cc52be18849c160e8243d Mon Sep 17 00:00:00 2001
From: Haruko386 <tryeverypossible@163.com>
Date: Tue, 4 Aug 2026 18:00:37 +0800
Subject: [PATCH] fix: unable to control enable think in chat (#17785)

---
 internal/handler/chat_session.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/internal/handler/chat_session.go b/internal/handler/chat_session.go
index 9a31718154..a75a1bc509 100644
--- a/internal/handler/chat_session.go
+++ b/internal/handler/chat_session.go
@@ -131,6 +131,7 @@ type ChatCompletionsRequest struct {
 	StoreHistory           *bool                    `json:"store_history,omitempty"`
 	Legacy                 bool                     `json:"legacy,omitempty"`
 	Stream                 *bool                    `json:"stream"`
+	Thinking               string                   `json:"thinking"`
 	Temperature            *float64                 `json:"temperature,omitempty"`
 	TopP                   *float64                 `json:"top_p,omitempty"`
 	FrequencyPenalty       *float64                 `json:"frequency_penalty,omitempty"`
@@ -182,6 +183,15 @@ func (h *ChatSessionHandler) ChatCompletions(c *gin.Context) {
 
 	// Build generation config
 	genConfig := make(map[string]interface{})
+	if req.Thinking != "" {
+		switch req.Thinking {
+		case "enabled":
+			genConfig["thinking"] = true
+		case "disabled":
+			genConfig["thinking"] = false
+		case "", "default":
+		}
+	}
 	if req.Temperature != nil {
 		genConfig["temperature"] = *req.Temperature
 	}