diff --git a/cap/zx297520v3/src/lynq/lib/liblynq-network/lynq_module_state_buffer.cpp b/cap/zx297520v3/src/lynq/lib/liblynq-network/lynq_module_state_buffer.cpp
index 681192f..22a6fac 100755
--- a/cap/zx297520v3/src/lynq/lib/liblynq-network/lynq_module_state_buffer.cpp
+++ b/cap/zx297520v3/src/lynq/lib/liblynq-network/lynq_module_state_buffer.cpp
@@ -350,7 +350,7 @@
 
 int lynq_set_state_buffer_valid_period_of_network(lynq_network_state_buffer_type type,int valid_period)
 {
-    if(type>NETWORK_STATE_BUFFER_TYPE_MAX || type <0)
+    if(type>=NETWORK_STATE_BUFFER_TYPE_MAX || type <0)
     {
         LYERRLOG("%s type %d error",__func__,type);
         return -1;
@@ -378,7 +378,7 @@
 
 int lynq_get_state_buffer_valid_period_of_network(lynq_network_state_buffer_type type)
 {
-    if(type>NETWORK_STATE_BUFFER_TYPE_MAX || type <0)
+    if(type>=NETWORK_STATE_BUFFER_TYPE_MAX || type <0)
     {
         LYERRLOG("%s type %d error",__func__,type);
         return 0;