diff --git a/source/module_base/global_variable.cpp b/source/module_base/global_variable.cpp
index b6ed81f3616..71c8db3d242 100644
--- a/source/module_base/global_variable.cpp
+++ b/source/module_base/global_variable.cpp
@@ -25,8 +25,8 @@ int NLOCAL = 0; // total number of local basis.
 double  KSPACING[3] = {0.0,0.0,0.0};
 double MIN_DIST_COEF = 0.2;
 
-double PSEUDORCUT;
-bool PSEUDO_MESH;
+double PSEUDORCUT=0;//initialization
+bool PSEUDO_MESH=0;
 
 std::string CALCULATION = "scf";
 std::string ESOLVER_TYPE = "ksdft";