fix(kv): Don't stop when key not found from index.
fix(kv): Don't stop when key not found from index.

influxdb/influxdb,nooproblem/influxdb,influxdata/influxdb,influxdb/influxdb,nooproblem/influxdb,influxdata/influxdb,nooproblem/influxdb,nooproblem/influxdb,influxdb/influxdb,nooproblem/influxdb,influxdb/influxdb,li-ang/influxdb,li-ang/influxdb,influxdb/influxdb,influxdb/influxdb