diff --git a/interfaces/inner_api/syscap_interface.c b/interfaces/inner_api/syscap_interface.c
index 0580c69..ffaec32 100644
--- a/interfaces/inner_api/syscap_interface.c
+++ b/interfaces/inner_api/syscap_interface.c
@@ -625,6 +625,11 @@ static int32_t ComparePcidWithPriSyscap(struct PcidPriSyscapInfo pcidPriSyscapIn
                 free(temp);
                 return -1;
             }
+            if (pcidPriSyscapInfo.ossyscapFlag + prisyscapFlag >= MAX_MISS_SYSCAP)
+            {
+                PRINT_ERR("array index out of bounds.\n");
+                return -1;
+            }
             result->syscap[pcidPriSyscapInfo.ossyscapFlag + prisyscapFlag] = temp;
             ++prisyscapFlag;
         }
diff --git a/src/main.c b/src/main.c
index 2fd051a..be00763 100644
--- a/src/main.c
+++ b/src/main.c
@@ -74,9 +74,9 @@ int main(int argc, char **argv)
     int32_t ret;
     uint16_t bitMap = 0x0;
     char curpath[PATH_MAX] = {0};
-    g_customerfileinfo.inputfile = NULL;
-    g_customerfileinfo.pcidfile = NULL;
-    g_customerfileinfo.rpcidfile = NULL;
+    g_customerfileinfo.inputfile = "";
+    g_customerfileinfo.pcidfile = "";
+    g_customerfileinfo.rpcidfile = "";
     char *outputpath = getcwd(curpath, sizeof(curpath));
     if (outputpath == NULL) {
         PRINT_ERR("Get outputpath failed.\n");