diff --git a/relay/claude_handler.go b/relay/claude_handler.go
index f191d27ce..dbdb3663a 100644
--- a/relay/claude_handler.go
+++ b/relay/claude_handler.go
@@ -76,7 +76,6 @@ func ClaudeHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *typ
 			}
 			// TODO: 临时处理
 			// https://docs.anthropic.com/en/docs/build-with-claude/extended-thinking#important-considerations-when-using-extended-thinking
-			request.TopP = common.GetPointer[float64](0)
 			request.Temperature = common.GetPointer[float64](1.0)
 		}
 		if !model_setting.ShouldPreserveThinkingSuffix(info.OriginModelName) {