diff --git a/src/system/libdatacenter/src/dc_siganl.cpp b/src/system/libdatacenter/src/dc_signal.cpp
similarity index 99%
rename from src/system/libdatacenter/src/dc_siganl.cpp
rename to src/system/libdatacenter/src/dc_signal.cpp
index 3dc05be..c07e32c 100644
--- a/src/system/libdatacenter/src/dc_siganl.cpp
+++ b/src/system/libdatacenter/src/dc_signal.cpp
@@ -521,7 +521,7 @@ LOCAL int dc_check_ctrl_val_valid(const stru_signal_ctrl &ctrl, const void *p_da
     }
     else if(ctrl.data_type == DATA_TYPE_IP)
     {
-        if(0 != memcmp((char *)ctrl.p_data, (char *)p_data, 4));
+        if(0 != memcmp((char *)ctrl.p_data, (char *)p_data, 4))
         {
             LOG_E("direct ctrl value %s not match selected value %s", 
                 dc_get_signal_val(ctrl.p_data, DATA_TYPE_IP).c_str(), dc_get_signal_val((char *)p_data, DATA_TYPE_IP).c_str());
@@ -530,7 +530,7 @@ LOCAL int dc_check_ctrl_val_valid(const stru_signal_ctrl &ctrl, const void *p_da
     }
     else if(ctrl.data_type == DATA_TYPE_MAC)
     {
-        if(0 != memcmp((char *)ctrl.p_data, (char *)p_data, 6));
+        if(0 != memcmp((char *)ctrl.p_data, (char *)p_data, 6))
         {
             LOG_E("direct ctrl value %s not match selected value %s", 
                 dc_get_signal_val(ctrl.p_data, DATA_TYPE_MAC).c_str(), dc_get_signal_val((char *)p_data, DATA_TYPE_MAC).c_str());