fix compilation error
fix compilation error

ShadowMyst/creativechain-core,EntropyFactory/creativechain-core,EntropyFactory/creativechain-core,ShadowMyst/creativechain-core,EntropyFactory/creativechain-core,ShadowMyst/creativechain-core,EntropyFactory/creativechain-core,ShadowMyst/creativechain-core,ShadowMyst/creativechain-core,EntropyFactory/creativechain-core,ShadowMyst/creativechain-core,EntropyFactory/creativechain-core