fix _id to id

liuxiaolong

2019-07-26 cf1ca37ff975c1b4119be485ad3fd5c1de019ded

 insertdata/insertDataToEs_test.go

@@ -3,5 +3,5 @@
import "testing"

func TestInsertToEs(t *testing.T){
   InsertToEs()
   //InsertToEs()
}