From 8b2216152799cbcf8ec4a1574e5c4632caf72cb4 Mon Sep 17 00:00:00 2001
From: CaIon <i@caion.me>
Date: Mon, 13 Apr 2026 14:36:22 +0800
Subject: [PATCH] fix: set TopP to nil in Claude request configuration

---
 relay/channel/claude/relay-claude.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/relay/channel/claude/relay-claude.go b/relay/channel/claude/relay-claude.go
index 2982945c..3968a268 100644
--- a/relay/channel/claude/relay-claude.go
+++ b/relay/channel/claude/relay-claude.go
@@ -160,7 +160,7 @@ func RequestOpenAI2ClaudeMessage(c *gin.Context, textRequest dto.GeneralOpenAIRe
 			Type: "adaptive",
 		}
 		claudeRequest.OutputConfig = json.RawMessage(fmt.Sprintf(`{"effort":"%s"}`, effortLevel))
-		claudeRequest.TopP = common.GetPointer[float64](0)
+		claudeRequest.TopP = nil
 		claudeRequest.Temperature = common.GetPointer[float64](1.0)
 	} else if model_setting.GetClaudeSettings().ThinkingAdapterEnabled &&
 		strings.HasSuffix(textRequest.Model, "-thinking") {