diff --git a/interfaces/innerkits/appverify_lite/unittest/src/hap_verify_test.cpp b/interfaces/innerkits/appverify_lite/unittest/src/hap_verify_test.cpp
index 80ce7bc37e98a3b0120cd108659b421be2fc5b24..0cc88af200148ee07ebe7a4016d253bb2600487f 100755
--- a/interfaces/innerkits/appverify_lite/unittest/src/hap_verify_test.cpp
+++ b/interfaces/innerkits/appverify_lite/unittest/src/hap_verify_test.cpp
@@ -22,6 +22,8 @@
 using namespace std;
 using namespace testing::ext;
 namespace {
+const int DELAY_TIME = 4;
+
 class app_verify_test : public testing::Test {
 public:
     static void SetUpTestCase(void);
@@ -66,6 +68,7 @@ HWTEST_F(app_verify_test, test001, TestSize.Level3)
     const char *signedHap = "./business_packet.hap";
     DeleteFile(signedHap);
     CopyFile(GetBusinessHap(), signedHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(signedHap, &verifyResult);
     ASSERT_TRUE(resultCode == V_OK);
@@ -90,6 +93,7 @@ HWTEST_F(app_verify_test, test002, TestSize.Level3)
     const char *unsignedHap = "./unsigned_packet.hap";
     DeleteFile(unsignedHap);
     CopyFile(GetUnsignedHap(), unsignedHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(unsignedHap, &verifyResult);
     ASSERT_TRUE(resultCode != V_OK);
@@ -116,6 +120,7 @@ HWTEST_F(app_verify_test, test003, TestSize.Level3)
     const char *udidUnmatchHap = "./udid_wrong_test.hap";
     DeleteFile(udidUnmatchHap);
     CopyFile(GetWrongUdidHap(), udidUnmatchHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(udidUnmatchHap, &verifyResult);
     ASSERT_TRUE(resultCode != V_OK);
@@ -144,6 +149,7 @@ HWTEST_F(app_verify_test, test004, TestSize.Level3)
     const char *udidMatchHap = "./udid_right_test.hap";
     DeleteFile(udidMatchHap);
     CopyFile(GetRightUdidHap(), udidMatchHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(udidMatchHap, &verifyResult);
     ASSERT_TRUE(resultCode == V_OK);
@@ -170,6 +176,7 @@ HWTEST_F(app_verify_test, test005, TestSize.Level3)
     const char *tamperedHap = "./modified_packet.hap";
     DeleteFile(tamperedHap);
     CopyFile(GetModifiedHap(), tamperedHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(tamperedHap, &verifyResult);
     ASSERT_TRUE(resultCode != V_OK);
@@ -196,6 +203,7 @@ HWTEST_F(app_verify_test, test006, TestSize.Level3)
     const char *testHap = "./success_test.hap";
     DeleteFile(testHap);
     CopyFile(GetSuccessHap(), testHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(testHap, &verifyResult);
     ASSERT_TRUE(resultCode != V_OK);
@@ -206,6 +214,7 @@ HWTEST_F(app_verify_test, test006, TestSize.Level3)
     const char *businessHap = "./business_packet.hap";
     DeleteFile(businessHap);
     CopyFile(GetBusinessHap(), businessHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult1 = {0};
     resultCode = APPVERI_AppVerify(businessHap, &verifyResult1);
     APPVERI_FreeVerifyRst(&verifyResult1);
@@ -232,6 +241,7 @@ HWTEST_F(app_verify_test, test007, TestSize.Level3)
     const char *businessHap = "./business_packet.hap";
     DeleteFile(businessHap);
     CopyFile(GetBusinessHap(), businessHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(businessHap, &verifyResult);
     ASSERT_TRUE(resultCode == V_OK);
@@ -241,6 +251,7 @@ HWTEST_F(app_verify_test, test007, TestSize.Level3)
     const char *testHap = "./success_test.hap";
     DeleteFile(testHap);
     CopyFile(GetSuccessHap(), testHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult1 = {0};
     APPVERI_SetActsMode(true);
     resultCode = APPVERI_AppVerify(testHap, &verifyResult1);
@@ -268,6 +279,7 @@ HWTEST_F(app_verify_test, test008, TestSize.Level3)
     const char *wrongHap = "./wrong_license.hap";
     DeleteFile(wrongHap);
     CopyFile(GetWrongLiceseHap(), wrongHap);
+    sleep(DELAY_TIME);
     VerifyResult verifyResult = {0};
     int32_t resultCode = APPVERI_AppVerify(wrongHap, &verifyResult);
     ASSERT_TRUE(resultCode != V_OK);
diff --git a/interfaces/innerkits/appverify_lite/unittest/src/write_file.cpp b/interfaces/innerkits/appverify_lite/unittest/src/write_file.cpp
index 955fd6dab2545dc5552ef18a80547038d4d4a0d4..6c7ab38144f69eeae66679222200ddce3a305118 100755
--- a/interfaces/innerkits/appverify_lite/unittest/src/write_file.cpp
+++ b/interfaces/innerkits/appverify_lite/unittest/src/write_file.cpp
@@ -14,24 +14,27 @@
  */
 
 #include "write_file.h"
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 #include <fcntl.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
+
 #include "mbedtls/base64.h"
 #include "securec.h"
 
-const int MAX_FILE_LEN = 1000000;
-const int ONCE_WRITE = 2000;
+namespace {
+    const int MAX_FILE_LEN = 1000000;
+    const int ONCE_WRITE = 2000;
+}
 
 int CopyFile(const char *org, const char *dest)
 {
     int ret = 0;
-    if (org == NULL || dest == NULL) {
+    if (org == nullptr || dest == nullptr) {
         return -1;
     }
     int in = open(dest, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
@@ -45,7 +48,7 @@ int CopyFile(const char *org, const char *dest)
         return -1;
     }
     char *buffer = (char *)malloc(wholeLen);
-    if (buffer == NULL) {
+    if (buffer == nullptr) {
         close(in);
         return -1;
     }
@@ -71,7 +74,7 @@ EXIT:
 
 void DeleteFile(const char *path)
 {
-    if (path == NULL) {
+    if (path == nullptr) {
         return;
     }
     remove(path);