diff --git a/src/create_pcid.c b/src/create_pcid.c
index 64814f3534ccf058debc137375b6e2a8a1178a13..4972ac92879591ab66fb310e38c6c5751389d63f 100644
--- a/src/create_pcid.c
+++ b/src/create_pcid.c
@@ -112,7 +112,12 @@ int32_t SetPriSyscap(PCIDMain *pcidBuffer, cJSON *jsonPriSyscapObj,
             PRINT_ERR("get jsonArrayItem failed!");
             return -1;
         }
-        priSyscapStr = strchr(jsonArrayItem->valuestring, '.') + 1;
+        priSyscapStr = strchr(jsonArrayItem->valuestring, '.');
+        if (priSyscapStr == NULL) {
+            PRINT_ERR("get priSyscapStr failed!");
+            return -1;
+        }
+        priSyscapStr += 1;
         errno_t nRet = strcat_s(priSyscapHead, allPriSyscapStrLen + 1, priSyscapStr);
         nRet += strcat_s(priSyscapHead, allPriSyscapStrLen + 1, ",");
         if (nRet != EOK) {
diff --git a/src/main.c b/src/main.c
index 14879e3eff537278762fda436af48d17df6e4371..2fd051acf58588d0dcae63968ab877a31e0219e4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -78,6 +78,10 @@ int main(int argc, char **argv)
     g_customerfileinfo.pcidfile = NULL;
     g_customerfileinfo.rpcidfile = NULL;
     char *outputpath = getcwd(curpath, sizeof(curpath));
+    if (outputpath == NULL) {
+        PRINT_ERR("Get outputpath failed.\n");
+        return -1;
+    }
 
     while (1) {
         int32_t flag = getopt_long(argc, argv, "hvRPC:edsi:o:", g_longOptions, &optIndex);