diff --git a/Platform/user/configm/config-server/configserver.c b/Platform/user/configm/config-server/configserver.c
index 7f61fa601..ac1b14ed0 100644
--- a/Platform/user/configm/config-server/configserver.c
+++ b/Platform/user/configm/config-server/configserver.c
@@ -9,40 +9,73 @@
 #include "rpc.h"
 #include "configm.h"
 
-
 config_service_t g_config_service[] = CONFIG_SERVICE_ARRAY;
 config_init_t g_config_init[] = CONFIG_INIT_ARRAY;
 
-void test_big_data(rpc_conn *conn, pointer input, int input_len, void* data) {
-	char buf[input_len];
-	memcpy(buf, input, input_len);
-	buf[input_len] = '\0';
-	printf("get data is %s\n", buf);
-	//sleep(15);
-	rpc_return_null(conn);
+int cm_format_data(ret_code ret_code, cJSON *item_obj, char *output)
+{
+    int str_len = 0;
+    char *ret_char = NULL;
+    config_result_t tem_buff = {0};
+    config_result_t *config_ret = &tem_buff;
+    
+
+    snprintf(config_ret->resultCode, RET_CODE_LEN - 1, "%d", ret_code);
+    config_ret->message = (char *)rpc_code_format(ret_code);
+
+    s2j_create_json_obj(json_obj);
+    if(json_obj == NULL)
+    {
+        return 0;
+    }
+
+    s2j_json_set_basic_element(json_obj, config_ret, string, resultCode);
+    s2j_json_set_basic_element(json_obj, config_ret, string, message);
+    
+    cJSON_AddItemToObject(json_obj, "data", item_obj);
+
+    ret_char = cJSON_PrintUnformatted(json_obj);
+    str_len = strlen(ret_char);
+
+    strncpy(output, ret_char, CM_BUFF_SIZE - 1);
+
+    rpc_free(ret_char);
+    cJSON_Delete(json_obj);
+
+    return (str_len + 1);
 }
 
+
 void cm_return(rpc_conn *conn, ret_code err_code, char* err_message)
 {
-    cJSON *res;
     char *ret_char = NULL;
+    char *null_str = "";
+    config_result_t tem_buff = {0};
+    config_result_t *config_ret = &tem_buff;
 
     rpc_log_dbg("error %d:%s\n", err_code, err_message);
-    
-    res = cJSON_CreateObject();
-    if(res == NULL)
+
+    snprintf(config_ret->resultCode, RET_CODE_LEN - 1, "%d", err_code);
+    config_ret->message = (char *)rpc_code_format(err_code);
+    config_ret->data = null_str;
+
+    s2j_create_json_obj(json_obj);
+    if(json_obj == NULL)
     {
         return;
     }
-    
-    cJSON_AddNumberToObject(res, "error", err_code);
-    ret_char = cJSON_PrintUnformatted(res);
-        
-    cJSON_Delete(res);
+
+    s2j_json_set_basic_element(json_obj, config_ret, string, resultCode);
+    s2j_json_set_basic_element(json_obj, config_ret, string, message);
+    s2j_json_set_basic_element(json_obj, config_ret, string, data);
+
+    ret_char = cJSON_PrintUnformatted(json_obj);
 
     rpc_return(conn, ret_char, strlen(ret_char)+1); 
+
     rpc_free(ret_char);
-    
+    cJSON_Delete(json_obj);
+
     return;
 }
 
diff --git a/Platform/user/configm/config-server/include/configm.h b/Platform/user/configm/config-server/include/configm.h
index 3662e0878..f46fa35e8 100755
--- a/Platform/user/configm/config-server/include/configm.h
+++ b/Platform/user/configm/config-server/include/configm.h
@@ -13,7 +13,8 @@
 #include "../web_config/auth_parameters.h"
 #include "natconfig.h"
 
-
+#define RET_CODE_LEN 16
+#define RET_MSG_LEN 128
 
 #define CONFIG_INIT_ARRAY \
 {\
@@ -224,5 +225,15 @@ struct _config_service {
 
 typedef struct _config_service config_service_t;
 
+struct _config_result {
+    char resultCode[RET_CODE_LEN];
+    char *message;
+    char *data;
+};
+
+typedef struct _config_result config_result_t;
+
+int cm_format_data(ret_code ret_code, cJSON *json_obj, char *output);
+
 #endif /* RPC_COMMON_H_ */
 
diff --git a/Platform/user/configm/config-server/netconfig/ipconfig/ipconfig.c b/Platform/user/configm/config-server/netconfig/ipconfig/ipconfig.c
index 8132b8a85..83d2bcd70 100644
--- a/Platform/user/configm/config-server/netconfig/ipconfig/ipconfig.c
+++ b/Platform/user/configm/config-server/netconfig/ipconfig/ipconfig.c
@@ -83,9 +83,9 @@ ret_code ip_config_json_parse(pointer input, uint *conf_type, ip_config_t *confi
     }
     
     s2j_struct_get_basic_element(ip_config, json_obj, int, config_type);
-    S2J_STRUCT_GET_STRING_ELEMENT_N(ip_config, json_obj, ifname, INTERFACE_NAMSIZ);
+    s2j_struct_get_string_element(ip_config, json_obj, ifname, INTERFACE_NAMSIZ);
     s2j_struct_get_basic_element(ip_config, json_obj, int, family); 
-    S2J_STRUCT_GET_STRING_ELEMENT_N(ip_config, json_obj, ipaddr, DOT_IP_STR);    
+    s2j_struct_get_string_element(ip_config, json_obj, ipaddr, DOT_IP_STR);    
     s2j_struct_get_basic_element(ip_config, json_obj, int, prefixlen);
     
     strncpy(config_buff->ifname, ip_config->ifname, INTERFACE_NAMSIZ - 1);
@@ -121,7 +121,7 @@ ret_code ip_config_json_parse_array(pointer input, uint *conf_type,
     
     rpc_log_info("json input:%s \n", cJSON_Print(json_obj));
 
-    iCount = cJSON_GetArraySize(json_obj); /*获取数组长度*/
+    iCount = cJSON_GetArraySize(json_obj); 
 
     config_buff = rpc_new0(ip_config_t, iCount);
     conf_type = rpc_new0(uint, iCount);
@@ -146,11 +146,11 @@ ret_code ip_config_json_parse_array(pointer input, uint *conf_type,
          {
              memset(ip_config, 0, sizeof(ip_config_string_t));
              
-             s2j_struct_get_basic_element(ip_config, json_obj, int, config_type);
-             s2j_struct_get_basic_element(ip_config, json_obj, string, ifname);
-             s2j_struct_get_basic_element(ip_config, json_obj, int, family); 
-             s2j_struct_get_basic_element(ip_config, json_obj, string, ipaddr);    
-             s2j_struct_get_basic_element(ip_config, json_obj, int, prefixlen);
+             s2j_struct_get_basic_element(ip_config, pArrayItem, int, config_type);
+             s2j_struct_get_string_element(ip_config, pArrayItem, ifname, INTERFACE_NAMSIZ);
+             s2j_struct_get_basic_element(ip_config, pArrayItem, int, family); 
+             s2j_struct_get_string_element(ip_config, pArrayItem, ipaddr, DOT_IP_STR);
+             s2j_struct_get_basic_element(ip_config, pArrayItem, int, prefixlen);
 
              strncpy(config_buff[*cnt].ifname, ip_config->ifname, INTERFACE_NAMSIZ - 1);
              config_buff[*cnt].family        = (uchar)ip_config->family;    
@@ -174,16 +174,14 @@ ret_code ip_config_format_json(ip_config_t *config_buff,
 {
     ip_config_string_t tem_buff = {0};
     ip_config_string_t *ip_config = &tem_buff;
-    //cJSON *json_obj = NULL;
     char *json_ip;
 
-    ip_config->family      = AF_INET;
-    ip_config->prefixlen   = config_buff->prefixlen;
+    ip_config->family    = AF_INET;
+    ip_config->prefixlen = config_buff->prefixlen;
 
     strncpy(ip_config->ifname, config_buff->ifname, INTERFACE_NAMSIZ - 1);
     strncpy(ip_config->ipaddr, inet_ntoa(config_buff->prefix), DOT_IP_STR - 1);
 
-    /* create Student JSON object */
     s2j_create_json_obj(json_obj);
     if(json_obj == NULL)
     {
@@ -194,25 +192,19 @@ ret_code ip_config_format_json(ip_config_t *config_buff,
     s2j_json_set_basic_element(json_obj, ip_config, int, family);
     s2j_json_set_basic_element(json_obj, ip_config, string, ipaddr);
     s2j_json_set_basic_element(json_obj, ip_config, int, prefixlen);
-    
-    json_ip = cJSON_PrintUnformatted(json_obj);
-    *outlen = strlen(json_ip) + 1;
-    memcpy(output, json_ip, *outlen);
-    
-    free(json_ip);
-    cJSON_Delete(json_obj);
+
+    *outlen = cm_format_data(RET_OK, json_obj, output);
 
     return RET_OK;
 }
 
 ret_code ip_config_format_json_array(ip_config_t *config_buff, 
-                                     int count, pointer output, int *outlen)
+                                     int count, pointer output, 
+                                     int *outlen)
 {
     ip_config_string_t tem_buff = {0};
     ip_config_string_t *ip_config = &tem_buff;
     cJSON *json_array = NULL;
-    //cJSON *json_obj = NULL;
-    char *json_ip;
     int i;
 
     json_array = cJSON_CreateArray();
@@ -230,7 +222,6 @@ ret_code ip_config_format_json_array(ip_config_t *config_buff,
         strncpy(ip_config->ifname, config_buff[i].ifname, INTERFACE_NAMSIZ - 1);
         strncpy(ip_config->ipaddr, inet_ntoa(config_buff[i].prefix), DOT_IP_STR - 1);
 
-        /* create Student JSON object */
         s2j_create_json_obj(json_obj);
         if(json_obj == NULL)
         {
@@ -245,12 +236,9 @@ ret_code ip_config_format_json_array(ip_config_t *config_buff,
         s2j_json_set_basic_element(json_obj, ip_config, int, prefixlen);
     }
     
-    json_ip = cJSON_PrintUnformatted(json_array);
-    *outlen = strlen(json_ip) + 1;
-    memcpy(output, json_ip, *outlen);
-    
-    free(json_ip);
-    cJSON_Delete(json_array);
+
+    *outlen = cm_format_data(RET_OK, json_array, output);
+
 
     return RET_OK;
 }