diff --git a/source/libublsettings.c b/source/libublsettings.c
index 874d5f6..ba680fb 100644
--- a/source/libublsettings.c
+++ b/source/libublsettings.c
@@ -1302,24 +1302,25 @@ int yon_config_load_register_no_cleaning(YON_CONFIG_TYPE config_type,char *secti
                         free(yon_char_divide(final_str,0));
                     }
                     
-                    dictionary *dicte = yon_dictionary_get((dictionary**)&__yon__config__strings,key);
+                        yon_config_parameter *cur_config = (config_type!=YON_CONFIG_DEFAULT? __yon__config__strings:__yon__config__default__strings);
+                    dictionary *dicte = yon_dictionary_get((dictionary**)&cur_config,key);
                     if (!dicte){
-                        yon_config_parameter_add_or_create_if_exists_with_data(__yon__config__strings,key,yon_char_new(final_str));
+                        yon_config_parameter_add_or_create_if_exists_with_data(cur_config,key,yon_char_new(final_str));
                     } else {
                         if (strcmp((char*)dicte->data,final_str)){
-                            __yon__config__strings->data=final_str;
+                            cur_config->data=final_str;
                         } else {
                             continue;
                         }
                     }
-                    __yon__config__strings->flag1=0;
+                    cur_config->flag1=0;
                     yon_config_remove_ignore(key);
                     if (config_type==YON_CONFIG_DEFAULT){
-                        __yon__config__strings->flag1=-2;
+                        cur_config->flag1=-2;
                         yon_config_set_ignore(key);
                     }
-                    __yon__config__strings->data_type=DICTIONARY_CHAR_TYPE;
-                    __yon__config__strings->section=dict->key;
+                    cur_config->data_type=DICTIONARY_CHAR_TYPE;
+                    cur_config->section=dict->key;
                 }
             }
             free(command);
@@ -1751,104 +1752,110 @@ int yon_config_clean(){
 }
 
 void yon_config_register(char *key, char *config_load, void *data){
-    key=yon_char_new(key);
-    config_load=yon_char_new(config_load);
-    yon_config_parameter *current = NULL;
-    if (data){
-        if (!__yon__config__strings||!(current=(yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){        
-            {
-                if (__yon__config__strings){
-                    char *data_copy = yon_char_new(data);
-                    yon_config_parameter* dict=NULL;
-                    for_dictionaries(dict,__yon__config__strings){
-                        if (!dict->next){
-                            __yon__config__strings=dict;
+    if (!yon_char_is_empty(key)){
+        key=yon_char_new(key);
+        config_load=yon_char_new(config_load);
+        yon_config_parameter *current = NULL;
+        if (data){
+            if (!__yon__config__strings||!(current=(yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){        
+                {
+                    if (__yon__config__strings){
+                        char *data_copy = yon_char_new(data);
+                        yon_config_parameter* dict=NULL;
+                        for_dictionaries(dict,__yon__config__strings){
+                            if (!dict->next){
+                                __yon__config__strings=dict;
+                            }
                         }
+                        __yon__config__strings=yon_config_parameter_append_with_data(__yon__config__strings,key,data_copy);
+                        
+                    }
+                    else {
+                        char *data_copy = yon_char_new(data);
+                        __yon__config__strings=yon_config_parameter_new_with_data(key,yon_char_new(data));
                     }
-                    __yon__config__strings=yon_config_parameter_append_with_data(__yon__config__strings,key,data_copy);
-                    
-                }
-                else {
-                    char *data_copy = yon_char_new(data);
-                    __yon__config__strings=yon_config_parameter_new_with_data(key,yon_char_new(data));
-                }
-            }
-            __yon__config__strings = (yon_config_parameter*)yon_dictionary_get_last((dictionary*)__yon__config__strings);
-            __yon__config__strings->flag1=1;
-            __yon__config__strings->data_type=DICTIONARY_CHAR_TYPE;
-            __yon__config__strings->load_command=config_load;
-            int size=0;
-            config_str section = yon_char_parse(config_load,&size," ");
-            __yon__config__strings->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
-            yon_char_parsed_free(section,size);
-        }
-        else if ((current = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){
-            if ((current->data&&data!=__yon__config__strings->data&&strcmp(__yon__config__strings->data,data))||!current->data){
-                current->data=yon_char_new(data);
-                current->flag1=1;
-                current->data_type=DICTIONARY_CHAR_TYPE;
-                current->load_command=config_load;
-                if (yon_dictionary_get(&__yon_config_ignored, current->key)){
-                    __yon_config_ignored = yon_dictionary_rip(__yon_config_ignored);
                 }
+                __yon__config__strings = (yon_config_parameter*)yon_dictionary_get_last((dictionary*)__yon__config__strings);
+                __yon__config__strings->flag1=1;
+                __yon__config__strings->data_type=DICTIONARY_CHAR_TYPE;
+                __yon__config__strings->load_command=config_load;
                 int size=0;
                 config_str section = yon_char_parse(config_load,&size," ");
-                current->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
+                __yon__config__strings->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
                 yon_char_parsed_free(section,size);
             }
-        }
-    } else if ((current = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))) {
-        current->data=NULL;
-        current->flag1=0;
-        current->data_type=DICTIONARY_CHAR_TYPE;
-        current->load_command=config_load;
-        int size=0;
-        config_str section = yon_char_parse(config_load,&size," ");
-        current->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
-        yon_char_parsed_free(section,size);
-    } else {
-        if (!__yon__config__strings||!(current=(yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){        
-            {
-                if (__yon__config__strings){
-                    yon_config_parameter* dict=NULL;
-                    for_dictionaries(dict,__yon__config__strings){
-                        if (!dict->next){
-                            __yon__config__strings=dict;
-                        }
+            else if ((current = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){
+                yon_config_parameter *cur_default = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__default__strings,current->key);
+                if ((current->data&&data!=__yon__config__strings->data&&strcmp(__yon__config__strings->data,data))||!current->data){
+                    current->data=yon_char_new(data);
+                    current->flag1=1;
+                    current->data_type=DICTIONARY_CHAR_TYPE;
+                    current->load_command=config_load;
+                    if (yon_dictionary_get(&__yon_config_ignored, current->key)){
+                        __yon_config_ignored = yon_dictionary_rip(__yon_config_ignored);
+                    }
+                    int size=0;
+                    config_str section = yon_char_parse(config_load,&size," ");
+                    current->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
+                    yon_char_parsed_free(section,size);
+                    if (!cur_default||(cur_default&&strcmp((char*)cur_default->data,(char*)current->data))){
+                        yon_config_remove_by_key(current->key);
                     }
-                    __yon__config__strings=yon_config_parameter_append_with_data(__yon__config__strings,key,NULL);
-                    
-                }
-                else {
-                    __yon__config__strings=yon_config_parameter_new_with_data(key,NULL);
                 }
             }
-            yon_config_set_ignore(key);
-            __yon__config__strings = (yon_config_parameter*)yon_dictionary_get_last((dictionary*)__yon__config__strings);
-            __yon__config__strings->flag1=0;
-            __yon__config__strings->data_type=DICTIONARY_CHAR_TYPE;
-            __yon__config__strings->load_command=config_load;
+        } else if ((current = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))) {
+            current->data=NULL;
+            current->flag1=0;
+            current->data_type=DICTIONARY_CHAR_TYPE;
+            current->load_command=config_load;
             int size=0;
             config_str section = yon_char_parse(config_load,&size," ");
-            __yon__config__strings->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
+            current->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
             yon_char_parsed_free(section,size);
-        }
-        else if ((current = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){
-            if ((current->data&&data!=__yon__config__strings->data&&strcmp(__yon__config__strings->data,data))||!current->data){
-            yon_config_set_ignore(key);
-
-                current->data=NULL;
-                current->flag1=0;
-                current->data_type=DICTIONARY_CHAR_TYPE;
-                current->load_command=config_load;
-                if (yon_dictionary_get(&__yon_config_ignored, current->key)){
-                    __yon_config_ignored= yon_dictionary_rip(__yon_config_ignored);
+        } else {
+            if (!__yon__config__strings||!(current=(yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){        
+                {
+                    if (__yon__config__strings){
+                        yon_config_parameter* dict=NULL;
+                        for_dictionaries(dict,__yon__config__strings){
+                            if (!dict->next){
+                                __yon__config__strings=dict;
+                            }
+                        }
+                        __yon__config__strings=yon_config_parameter_append_with_data(__yon__config__strings,key,NULL);
+                        
+                    }
+                    else {
+                        __yon__config__strings=yon_config_parameter_new_with_data(key,NULL);
+                    }
                 }
+                yon_config_set_ignore(key);
+                __yon__config__strings = (yon_config_parameter*)yon_dictionary_get_last((dictionary*)__yon__config__strings);
+                __yon__config__strings->flag1=0;
+                __yon__config__strings->data_type=DICTIONARY_CHAR_TYPE;
+                __yon__config__strings->load_command=config_load;
                 int size=0;
                 config_str section = yon_char_parse(config_load,&size," ");
-                current->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
+                __yon__config__strings->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
                 yon_char_parsed_free(section,size);
             }
+            else if ((current = (yon_config_parameter*)yon_dictionary_get((dictionary**)&__yon__config__strings,key))){
+                if ((current->data&&data!=__yon__config__strings->data&&strcmp(__yon__config__strings->data,data))||!current->data){
+                yon_config_set_ignore(key);
+
+                    current->data=NULL;
+                    current->flag1=0;
+                    current->data_type=DICTIONARY_CHAR_TYPE;
+                    current->load_command=config_load;
+                    if (yon_dictionary_get(&__yon_config_ignored, current->key)){
+                        __yon_config_ignored= yon_dictionary_rip(__yon_config_ignored);
+                    }
+                    int size=0;
+                    config_str section = yon_char_parse(config_load,&size," ");
+                    current->section=yon_char_new(section[yon_char_parsed_check_exist(section,size,"get")+1]);
+                    yon_char_parsed_free(section,size);
+                }
+            }
         }
     }
 }
@@ -2149,6 +2156,10 @@ char *yon_config_parameter_prepare_command(char *command, char *path, char *sect
         config_str parsed = yon_char_parse(command,&size," ");
         int source_pos=yon_char_parsed_check_exist(parsed,size,"--source");
         int get_pos = yon_char_parsed_check_exist(parsed,size,"get");
+        if (source_pos==-1) {
+            source_pos = yon_char_parsed_check_exist(parsed,size,"--target");
+            get_pos = yon_char_parsed_check_exist(parsed,size,"set");
+        }
         if (path&&!strcmp(path,"")){
             if (source_pos>-1&&size>source_pos+1){
                 free(parsed[source_pos]);
diff --git a/source/libublsettings.h b/source/libublsettings.h
index a0d6f9b..feaccac 100644
--- a/source/libublsettings.h
+++ b/source/libublsettings.h
@@ -742,6 +742,7 @@ config_str yon_dir_get_contents(char *dir_path, int *size);
 
 #define ubconfig_dull_command "ubconfig "
 #define ubconfig_set_command(target) yon_char_unite("ubconfig ",!yon_char_is_empty(target)?"--target ":"",target," ",NULL)
+#define ubconfig_set_command_full(target, section, data) yon_char_unite("ubconfig --target ",target," set ",section," ",data,NULL)
 #define ubconfig_load_command(target) yon_char_unite("ubconfig --source ",target," get ",NULL)
 #define ubconfig_load_command_full(target, data) yon_char_unite("ubconfig --source ",target," get ",data,NULL)