1. Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, P. R. China, National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, Xiamen University, Xiamen, 361005, P. R. China, and Key Lab for Chemical Biology of Fujian Province, Xiamen University, Xiamen, 361005, P. R. China