diff --git a/test/unittest/model/network/wifi/unittest/net/hdf_netbuf_test.c b/test/unittest/model/network/wifi/unittest/net/hdf_netbuf_test.c
index e82ab80d54e1727dcd8f988b873e862f5f4da7cc..fc8c15724f106371babd7aab7850839aa5484b01 100644
--- a/test/unittest/model/network/wifi/unittest/net/hdf_netbuf_test.c
+++ b/test/unittest/model/network/wifi/unittest/net/hdf_netbuf_test.c
@@ -16,8 +16,8 @@
 #define DEFAULT_TAIL_SIZE       20
 #define DEFAULT_MAPPING_QUEUE   10
 #define DEFAULT_TRIM_SIZE       3
-#define DEFAULT_SECTION_SIZE    3
-
+#define DEFAULT_SECTION_SIZE    10
+
 #define MAX_MEM_ALLOC_SIZE 0x7fffffff
 
 typedef int32_t (*pTestCaseFunc)(void);