the key set becomes zero

```
SET jh:usr:acc:hp:51b8b0cd4dd30180f9cea2743ba3f364:imei:47d1695293ddb8029e05457cbb624027bf0ced7c0c1d0b6de9450946a58976d8 1
```

```
keys jh:usr:acc:hp*
jh:usr:acc:hp:imei:0:47d1695293ddb8029e05457cbb624027bf0ced7c0c1d0b6de9450946a58976d8 
```
