```
type: array
```
会话走向，用来渲染子节点
示例
```
towards: [{
pg: "www.suwis.com",
pg_count: "8",
pg_name: "paths site",
visit: "270",
uv: "269"
}, {
pg: "www.suwis.com/doc/paths",
pg_count: "8",
pg_name: "suwis paths api doc",
visit: "270",
uv: "269"
}, …]
```
