diff --git a/services/src/appspawn_process.c b/services/src/appspawn_process.c
index 0a6edad85293b87d150f67d3fbe38c2b964d642f..e9ca1038d1fe312da79ed6907f121dad8359ceb9 100755
--- a/services/src/appspawn_process.c
+++ b/services/src/appspawn_process.c
@@ -133,7 +133,12 @@ static int SetPerms(uid_t uID, gid_t gID, unsigned int capsCnt, const unsigned i
 
 pid_t CreateProcess(const MessageSt* msgSt)
 {
-    pid_t newPID = fork();
+    pid_t newPID;
+    if (msgSt == NULL){
+        HILOG_ERROR(HILOG_MODULE_HIVIEW, "[appspawn] create process, msgSt is NULL", errno);
+        return -1;
+    }
+    newPID = fork();
     if (newPID < 0) {
         HILOG_ERROR(HILOG_MODULE_HIVIEW, "[appspawn] create process, fork failed! err %{public}d.", errno);
         return -1;