V1.0.2

fix sys.RunMode with lower no upper

V1.0.1

Support System Env

if you want set config: sys.mode by env, you should put env like this:
HOTU_SYS_MODE:PROD

V1.0.0

V1.0.0

1. configure
2. error define
3. log tools
4. string tools
5. time tools

V1.0.0

V1.0.0

1. configure
2. error define
3. log tools
4. string tools
5. time tools