diff --git a/tzdriver/include/tzdriver_compat.h b/tzdriver/include/tzdriver_compat.h
index 1511b4497b4327b55c8efcb7a813f584d836840f..07384b1df167a80ce5c4a45393ac94095a115fd8 100644
--- a/tzdriver/include/tzdriver_compat.h
+++ b/tzdriver/include/tzdriver_compat.h
@@ -197,7 +197,7 @@ static inline int AccessOk(int type, unsigned long ptr, unsigned int size)
 static inline int GetTaskUid(LosTaskCB *task)
 {
 #ifdef LOSCFG_SECURITY_CAPABILITY
-    int intSave = LOS_IntLock();
+    unsigned int intSave = LOS_IntLock();
     int uid = -1;
 
     LosProcessCB *process = OS_PCB_FROM_PID(task->processID);
diff --git a/tzdriver/src/smc_smp.c b/tzdriver/src/smc_smp.c
index 01ea4206918c41ae70da19176d4ed87f6686035c..987da57ab4d6383c123e3be1a2d0e8c870af0114 100644
--- a/tzdriver/src/smc_smp.c
+++ b/tzdriver/src/smc_smp.c
@@ -317,7 +317,7 @@ static void ShowInBitmap(int *cmdIn, uint32_t len)
     for (idx = 0; idx < MAX_SMC_CMD; idx++) {
         if (HmTestBit(idx, g_cmdData->inBitmap)) {
             bitmap[idx] = '1';
-            cmdIn[in++] = idx;
+            cmdIn[in++] = (int)idx;
         } else {
             bitmap[idx] = '0';
         }