docs: fix otel import docs

Author: taloric

docs/zh/05-features/01-l7-protocols/08-otel.md

@@ -28,7 +28,7 @@ permalink: /features/l7-protocols/otel
 | service_name        | 服务名称     | resource./span.attribute.service.name                                                                                                                                                                         | --                                                                                              |
 | service_instance_id | 服务实例     | resource./span.attribute.service.instance.id                                                                                                                                                                  | --                                                                                              |
 | endpoint            | 端点         | span.name                                                                                                                                                                                                     | --                                                                                              |
-| trace_id            | TraceID      | span.trace_id/attribute.sw8.trace_id                                                                                                                                                                          | 优先使用 attribute.sw8.trace_id                                                                 |
+| trace_id            | TraceID      | resource.attribute.sw8.trace_id/span.attribute.sw8.trace_id/span.trace_id                                                                                                                                                                          | 优先级 resource.attribute.sw8.trace_id > span.attribute.sw8.trace_id > span.trace_id                                                                 |
 | span_id             | SpanID       | span.span_id/attribute.sw8.segment_id-attribute.sw8.span_id                                                                                                                                                   | 优先使用 attribute.sw8.segment_id-attribute.sw8.span_id                                         |
 | parent_span_id      | ParentSpanID | span.parent_span_id/attribute.sw8.segment_id-attribute.sw8.parent_span_id                                                                                                                                     | 优先使用 attribute.sw8.segment_id-attribute.sw8.parent_span_id                                  |
 | span_kind           | Span 类型    | span.span_kind                                                                                                                                                                                                | --                                                                                              |