try to debug

lib/ovo.cpp

@@ -1984,12 +1984,12 @@ void ovo::db::pushData(const string& key, data& data){
     string fName = getFName(key);
 
     ofstream ous(fName.c_str());
-
-    for(auto i : data._data){
+    data.iter=data.begin();
+    for(;data.iter!=data.end();data.iter++){
         if(_AES){
-            ous << "_" << m.aes_encode(i.first)<<" _"<<m.aes_encode(i.second)<<endl;
+            ous << "_" << m.aes_encode(data.iter->first)<<" _"<<m.aes_encode(data.iter->second)<<endl;
         }else{
-            ous << "_" << m.base64_encode(i.first)<<" _"<<m.base64_encode(i.second)<<endl;
+            ous << "_" << m.base64_encode(data.iter->first)<<" _"<<m.base64_encode(data.iter->second)<<endl;
         }
     }
     ous.close();
@@ -2013,12 +2013,12 @@ void ovo::db::addData(const string& key, data& data){
     string fName = getFName(key);
 
     ofstream ous(fName.c_str(), ios::app);
-    
-    for(auto i : data._data){
+    data.iter=data.begin();
+    for(;data.iter!=data.end();data.iter++){
         if(_AES){
-            ous << "_" << m.aes_encode(i.first)<<" _"<<m.aes_encode(i.second)<<endl;
+            ous << "_" << m.aes_encode(data.iter->first)<<" _"<<m.aes_encode(data.iter->second)<<endl;
         }else{
-            ous << "_" << m.base64_encode(i.first)<<" _"<<m.base64_encode(i.second)<<endl;
+            ous << "_" << m.base64_encode(data.iter->first)<<" _"<<m.base64_encode(data.iter->second)<<endl;
         }
     }
     ous.close();

lib/ovo.h

@@ -367,14 +367,14 @@ namespace ovo{
             }
             /* clear all elements */
             inline void clear(){
-                this->_data.erase(this->_data.begin(),this->_data.end());
+                //this->_data.erase(this->_data.begin(),this->_data.end());
             }
             /* clear elements */
             template <typename T>
             inline void clear(const T& key){
                 if(this->_data.count(this->toStr(key))){
                     map<string, string>::iterator t_iter = this->find(this->toStr(key));
-                    this->_data.erase(t_iter);
+                    //this->_data.erase(t_iter);
                 }
             }
             /* clear elements */