diff --git a/relay/claude_handler.go b/relay/claude_handler.go
index 88d688f1d..dbdb3663a 100644
--- a/relay/claude_handler.go
+++ b/relay/claude_handler.go
@@ -59,7 +59,6 @@ func ClaudeHelper(c *gin.Context, info *relaycommon.RelayInfo) (newAPIError *typ
 			Type: "adaptive",
 		}
 		request.OutputConfig = json.RawMessage(fmt.Sprintf(`{"effort":"%s"}`, effortLevel))
-		request.TopP = common.GetPointer[float64](0)
 		request.Temperature = common.GetPointer[float64](1.0)
 		info.UpstreamModelName = request.Model
 	} else if model_setting.GetClaudeSettings().ThinkingAdapterEnabled &&
@@ -77,7 +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) {