Stack

/usr/local/go/src/runtime/panic.go:969
/usr/local/go/src/runtime/panic.go:88
/Users/liucheng/workspace_go/search_beego/util/tool.go:431
/Users/liucheng/workspace_go/search_beego/controllers/index.go:135
/Users/liucheng/workspace_go/search_beego/controllers/index.go:44
/Users/liucheng/go/pkg/mod/github.com/astaxie/beego@v1.12.1/router.go:833
/usr/local/go/src/net/http/server.go:2836
/usr/local/go/src/net/http/server.go:1924
/usr/local/go/src/runtime/asm_amd64.s:1373