diff --git a/mbtk/liblynq_lib/src/lynq_thermal.c b/mbtk/liblynq_lib/src/lynq_thermal.c
index 5c755fc..a9ca654 100755
--- a/mbtk/liblynq_lib/src/lynq_thermal.c
+++ b/mbtk/liblynq_lib/src/lynq_thermal.c
@@ -78,10 +78,10 @@
 /****************************API***************************************/
 int get_thermal_zone(int *numbers, int size)
 {
-    if(numbers == NULL || size <= 6)
+    if(numbers == NULL || size < 6)
     {
         LOGE("[qser_thermal]: numbers is NULL!");
-        return -1;
+        return QSER_RESULT_FAIL;
     }
     
     int ret = 0;
@@ -110,7 +110,7 @@
         numbers[thermal_num] = 0;
     }
 
-    return size;
+    return 6;
 }
 /****************************API***************************************/