重构提取逻辑，新增 area 表

web/globals/gost.go

@@ -189,7 +189,7 @@ func (c *gostClient) request(method string, path string, payload any) ([]byte, e
 		return nil, err
 	}
 
-	if resp.StatusCode == http.StatusNotFound {
+	if resp.StatusCode == http.StatusBadRequest {
 		return nil, fmt.Errorf("%w: %s", ErrGostNotFound, string(body))
 	}
 	if resp.StatusCode < http.StatusOK || resp.StatusCode >= http.StatusMultipleChoices {