diff --git a/internal/translator/claude/gemini/claude_gemini_request.go b/internal/translator/claude/gemini/claude_gemini_request.go
index 32f2d847..4ca3f4a7 100644
--- a/internal/translator/claude/gemini/claude_gemini_request.go
+++ b/internal/translator/claude/gemini/claude_gemini_request.go
@@ -98,9 +98,7 @@ func ConvertGeminiRequestToClaude(modelName string, inputRawJSON []byte, stream
 		// Temperature setting for controlling response randomness
 		if temp := genConfig.Get("temperature"); temp.Exists() {
 			out, _ = sjson.Set(out, "temperature", temp.Float())
-		}
-		// Top P setting for nucleus sampling
-		if topP := genConfig.Get("topP"); topP.Exists() {
+		} else if topP := genConfig.Get("topP"); topP.Exists() {
 			out, _ = sjson.Set(out, "top_p", topP.Float())
 		}
 		// Stop sequences configuration for custom termination conditions
diff --git a/internal/translator/claude/openai/chat-completions/claude_openai_request.go b/internal/translator/claude/openai/chat-completions/claude_openai_request.go
index 79dc9c90..526593c6 100644
--- a/internal/translator/claude/openai/chat-completions/claude_openai_request.go
+++ b/internal/translator/claude/openai/chat-completions/claude_openai_request.go
@@ -110,10 +110,7 @@ func ConvertOpenAIRequestToClaude(modelName string, inputRawJSON []byte, stream
 	// Temperature setting for controlling response randomness
 	if temp := root.Get("temperature"); temp.Exists() {
 		out, _ = sjson.Set(out, "temperature", temp.Float())
-	}
-
-	// Top P setting for nucleus sampling
-	if topP := root.Get("top_p"); topP.Exists() {
+	} else if topP := root.Get("top_p"); topP.Exists() {
 		out, _ = sjson.Set(out, "top_p", topP.Float())
 	}