diff --git a/source/source_estate/module_pot/efield.cpp b/source/source_estate/module_pot/efield.cpp
index c51b6262ac..2e9676d9d4 100644
--- a/source/source_estate/module_pot/efield.cpp
+++ b/source/source_estate/module_pot/efield.cpp
@@ -227,7 +227,7 @@ double Efield::cal_induced_dipole(const UnitCell& cell,
 
     Parallel_Reduce::reduce_pool(induced_dipole);
     induced_dipole *= cell.lat0 / bmod * ModuleBase::FOUR_PI / rho_basis->nxyz;
-
+    delete[] induced_rho;
     return induced_dipole;
 }
 
@@ -360,4 +360,4 @@ void Efield::autoset(std::vector<double>& pos)
     ModuleBase::GlobalFunc::OUT(GlobalV::ofs_running, "Autoset efield_pos_dec", efield_pos_dec);
 }
 
-} // namespace elecstate
\ No newline at end of file
+} // namespace elecstate