diff --git a/source/module_elecstate/elecstate_print.cpp b/source/module_elecstate/elecstate_print.cpp
index 64ba77eebc..c8968c6225 100644
--- a/source/module_elecstate/elecstate_print.cpp
+++ b/source/module_elecstate/elecstate_print.cpp
@@ -307,8 +307,9 @@ void ElecState::print_etot(const bool converged,
 
     GlobalV::ofs_running << "\n Density error is " << scf_thr << std::endl;
 
-    if (GlobalV::BASIS_TYPE == "pw")
+    if (GlobalV::BASIS_TYPE == "pw") {
         ModuleBase::GlobalFunc::OUT(GlobalV::ofs_running, "Error Threshold", pw_diag_thr); // xiaohui add 2013-09-02
+}
 
     std::vector<std::string> titles;
     std::vector<double> energies_Ry;
diff --git a/source/module_esolver/esolver_ks.h b/source/module_esolver/esolver_ks.h
index 1ce77b4812..f772cdf8c5 100644
--- a/source/module_esolver/esolver_ks.h
+++ b/source/module_esolver/esolver_ks.h
@@ -11,7 +11,7 @@
 #include "module_psi/psi.h"
 
 #include <fstream>
-#include <string.h>
+#include <cstring>
 namespace ModuleESolver
 {