diff --git a/src/proc/libkyrtinfo.c b/src/proc/libkyrtinfo.c
index d38af47..130d307 100644
--- a/src/proc/libkyrtinfo.c
+++ b/src/proc/libkyrtinfo.c
@@ -278,22 +278,42 @@ static int _get_cpu_data(unsigned long *user, unsigned long *sys, unsigned long
     {
         if (strstartswith(buffer, "cpu") == 0)
         {
-            char **list = strsplit(buffer, ' ');
-            if (!list)
+            // char **list = strsplit(buffer, ' ');
+            // if (!list)
+            // {
+            //     fclose(fp);
+            //     return 1;
+            // }
+            char list1[32] = {0};
+            char list3[32] = {0};
+            char list4[32] = {0};
+            char list5[32] = {0};
+            sscanf(buffer, "%*s %s %*s %s %s %s %*s", list1, list3, list4, list5);
+            klog_info("list1 = %s, list3 = %s, list4 = %s, list5 = %s\n", list1, list3, list4, list5);
+            if(strlen(list1) == 0)
             {
-                fclose(fp);
                 return 1;
             }
-            klog_info("list1 = %s, list3 = %s, list4 = %s, list5 = %s\n", list[1], list[3], list[4], list[5]);
-            if(list[1])
-                *user = atol(list[1]);
-            if(list[3])
-                *sys = atol(list[3]);
-            if(list[4])
-                *idle = atol(list[4]);
-            if(list[5])
-                *iowait = atol(list[5]);
-            free(list);
+            *user = atol(list1);
+
+            if(strlen(list3) == 0)
+            {
+                return 1;
+            }
+            *sys = atol(list3);
+
+            if(strlen(list4) == 0)
+            {
+                return 1;
+            }
+            *idle = atol(list4);
+
+            if(strlen(list5) == 0)
+            {
+                return 1;
+            }
+            *iowait = atol(list5);
+            // free(list);
             break;
         }
         else