Development of effective photocatalysts for photocatalytic hydrogen production is a promising strategy to mitigate the global energy crisis.Conjugated porous polymers(CPPs)as photocatalysts have attracted much attention due to its ultrahigh specific surface area,tunable structure and electronic properties.However,high hole-electron recombination has greatly restricted the photocatalytic performance of CPPs.Here,we develop a simple but efficient strategy to slow down the hole-electron recombination via dipole-dipole interaction by introducing aprotic bipolar co-solvents.