not working the firebase config

### Step 1: Describe your environment

* Operating system: _____
* Browser: _____
* Firebase SDK version: _____

### Step 2: Describe the problem:

#### Steps to reproduce:

1. _____
2. _____
3. _____

#### Observed Results:

* What happened? This could be a description, logs, etc.

#### Expected Results:

* What did you expect to happen?

#### Relevant Code:

```
// TODO(you): code here to reproduce the problem
```