Further　commercial　deployment　of　Zn　anode　has　been　severely　restricted　by　the　notorious　tip-induced　dendrite　growth.　The　solutions　establishing　effective　zincophile　interphase　have　been　proposed　to　conquer　this　difficulty.　Yet,　how　to　effectively　construct　zinc　deposition　interphase　is　challenging.　Herein,　we　construct　a　zincophile　interphase　based　on　3D-printed　g-C3N4　modulating　interface　to　concurrently　achieve　homogeneous　zinc　nucleation　and　a　dendrite-free　growth.　The　Zn/C3N4　anode　affords　lower　the　energy　barrier　and　more　homogeneously　charge　distribution　to　facilitate　highly　reversible　Zn　plating/stripping.　The　symmetric　Zn/C3N4　cell　presents　appreciably　low　voltage　hysteresis　and　superior　cycling　stability　compared　to　the　bare　Zn.　Furthermore,　the　Zn/C3N4//AC　supercapacitor　and　Zn/C3N4//MnO2　battery　show　long　cycle　stability.　The　novel　strategy　of　3D-printed　modulating　coatings　is　straightforward　and　scalable　and　provides　the　design　concept　to　the　realization　of　the　long-life　aqueous　zinc　metal　batteries.　©　2020　Elsevier　B.V.