diff --git a/internal/api/common/error.go b/internal/api/common/error.go
index f7615c3..a62ece8 100644
--- a/internal/api/common/error.go
+++ b/internal/api/common/error.go
@@ -6,7 +6,7 @@ import "strings"
 // openAIErrorTypes 把 Connect code 映射为 OpenAI 兼容的错误对象 type。
 // 参考：https://platform.openai.com/docs/guides/error-codes
 var openAIErrorTypes = map[string]string{
-	"invalid_argument":  "invalid_request_error",
+	"invalid_argument":    "invalid_request_error",
 	"failed_precondition": "invalid_request_error",
 	"out_of_range":        "invalid_request_error",
 	"unimplemented":       "invalid_request_error",
@@ -23,7 +23,7 @@ var openAIErrorTypes = map[string]string{
 // anthropicErrorTypes 把 Connect code 映射为 Anthropic 兼容的错误对象 type。
 // 参考：https://platform.claude.com/docs/en/api/errors
 var anthropicErrorTypes = map[string]string{
-	"invalid_argument":  "invalid_request_error",
+	"invalid_argument":    "invalid_request_error",
 	"failed_precondition": "invalid_request_error",
 	"out_of_range":        "invalid_request_error",
 	"unimplemented":       "invalid_request_error",
diff --git a/internal/app/websocket.go b/internal/app/websocket.go
index 5f2d6b4..69b21df 100644
--- a/internal/app/websocket.go
+++ b/internal/app/websocket.go
@@ -46,7 +46,7 @@ func newWSResponseWriter(conn *websocket.Conn) *wsResponseWriter {
 	}
 }
 
-func (w *wsResponseWriter) Header() http.Header       { return w.header }
+func (w *wsResponseWriter) Header() http.Header        { return w.header }
 func (w *wsResponseWriter) WriteHeader(statusCode int) { w.statusCode = statusCode }
 
 func (w *wsResponseWriter) Write(p []byte) (int, error) {