diff --git a/security_lite/huks/common/hks_test_api_performance.c b/security_lite/huks/common/hks_test_api_performance.c
index 49a5e45361fc60c436bfc9affa4a020f385dae6b..ca4e32e28c1677bec33783aa0844005d452a8279 100644
--- a/security_lite/huks/common/hks_test_api_performance.c
+++ b/security_lite/huks/common/hks_test_api_performance.c
@@ -28,7 +28,7 @@
 int32_t HksGenerateKeyRun(const struct HksBlob *keyAlias, const struct HksParamSet *paramSetIn,
     struct HksParamSet *paramSetOut, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     /* if keyAlias exist, the key will be generated and refreshed */
     for (uint32_t i = 0; i < performTimes; ++i) {
         ret = HksGenerateKey(keyAlias, paramSetIn, paramSetOut);
@@ -42,7 +42,7 @@ int32_t HksGenerateKeyRun(const struct HksBlob *keyAlias, const struct HksParamS
 int32_t HksEncryptRun(const struct HksBlob *key, const struct HksParamSet *paramSet,
     const struct HksBlob *plainText, struct HksBlob *cipherText, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriCipherTestSize = 0;
     if (cipherText != NULL) {
         oriCipherTestSize = cipherText->size;
@@ -65,7 +65,7 @@ int32_t HksEncryptRun(const struct HksBlob *key, const struct HksParamSet *param
 int32_t HksDecryptRun(const struct HksBlob *key, const struct HksParamSet *paramSet,
     const struct HksBlob *cipherText, struct HksBlob *plainText, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriPlainTextSize = 0;
     if (plainText != NULL) {
         oriPlainTextSize = plainText->size;
@@ -87,7 +87,7 @@ int32_t HksDecryptRun(const struct HksBlob *key, const struct HksParamSet *param
 int32_t HksMacRun(const struct HksBlob *key, const struct HksParamSet *paramSet,
     const struct HksBlob *srcData, struct HksBlob *mac, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriMacSize = 0;
     if (mac != NULL) {
         oriMacSize = mac->size;
@@ -109,7 +109,7 @@ int32_t HksMacRun(const struct HksBlob *key, const struct HksParamSet *paramSet,
 int32_t HksDeriveKeyRun(const struct HksParamSet *paramSet, const struct HksBlob *masterKey,
     struct HksBlob *derivedKey, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriDerivedKeySize = 0;
     if (derivedKey != NULL) {
         oriDerivedKeySize = derivedKey->size;
@@ -136,7 +136,7 @@ int32_t HksDeleteKeyRun(const struct HksBlob *keyAlias, uint32_t performTimes)
 
 int32_t HksKeyExistRun(const struct HksBlob *keyAlias, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     for (uint32_t i = 0; i < performTimes; ++i) {
         ret = HksKeyExist(keyAlias, NULL);
         if (ret != HKS_SUCCESS) {
@@ -148,7 +148,7 @@ int32_t HksKeyExistRun(const struct HksBlob *keyAlias, uint32_t performTimes)
 
 int32_t HksGenerateRandomRun(struct HksBlob *random, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriRandomSize = 0;
     if (random != NULL) {
         oriRandomSize = random->size;
@@ -170,7 +170,7 @@ int32_t HksGenerateRandomRun(struct HksBlob *random, uint32_t performTimes)
 int32_t HksAgreeKeyRun(const struct HksParamSet *paramSet, const struct HksBlob *privateKey,
     const struct HksBlob *peerPublicKey, struct HksBlob *agreedKey, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriAgreedKeySize = 0;
     if (agreedKey != NULL) {
         oriAgreedKeySize = agreedKey->size;
@@ -192,7 +192,7 @@ int32_t HksAgreeKeyRun(const struct HksParamSet *paramSet, const struct HksBlob
 int32_t HksHashRun(const struct HksParamSet *paramSet,
     const struct HksBlob *srcData, struct HksBlob *hash, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriHashSize = 0;
     if (hash != NULL) {
         oriHashSize = hash->size;
@@ -215,7 +215,7 @@ int32_t HksHashRun(const struct HksParamSet *paramSet,
 int32_t HksBnExpModRun(struct HksBlob *x, const struct HksBlob *a,
     const struct HksBlob *e, const struct HksBlob *n, uint32_t performTimes)
 {
-    int32_t ret;
+    int32_t ret = 0;
     uint32_t oriXSize = 0;
     if (x != NULL) {
         oriXSize = x->size;
diff --git a/security_lite/permission_posix/capability/src/ActsCapability.cpp b/security_lite/permission_posix/capability/src/ActsCapability.cpp
index 018ffba685a348ea9c71db2bc326ffc8ad9a90a9..0097c41dcd45f34b88651ce6eff509ca8da104d4 100644
--- a/security_lite/permission_posix/capability/src/ActsCapability.cpp
+++ b/security_lite/permission_posix/capability/src/ActsCapability.cpp
@@ -508,7 +508,7 @@ char *GetCurrentPath()
 int CheckFsMount(const char *topDir, const char *topDirMountInfo)
 {
     const int lenMax = 100;
-    int len;
+    int len = 0;
     char buf[lenMax] = {0};
     const char mountInfoFile[] = "/proc/mounts";
     // check topDir exist
diff --git a/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp b/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp
index 40251dfd66d05065b5ddbfa1857956967c8c2433..2a852f00c9424447bc701e5d779949880fa07aa5 100644
--- a/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp
+++ b/security_lite/permission_posix/capability/src/ActsCapabilityTest.cpp
@@ -344,7 +344,7 @@ static int CapgetWithCaps(pid_t pid, unsigned int caps)
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest0600, Function | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status1 = 0;
     int status2 = 0;
     // Preset action: Fork a sub process pid1
@@ -404,7 +404,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest0600, Function | MediumTest | Level2
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest0700, Function | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     pid_t pid = fork(); // Preset action: Fork a sub process
     ASSERT_TRUE(pid >= 0) << "======== Fork Error! =========";
@@ -454,7 +454,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest0700, Function | MediumTest | Level2
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest0800, Function | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     // Preset action: Fork a sub process
     pid_t pid = fork();
@@ -522,7 +522,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest0800, Function | MediumTest | Level2
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest0900, Security | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     // Preset action: Fork a sub process
     pid_t pid = fork();
@@ -559,7 +559,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest0900, Security | MediumTest | Level2
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest1000, Function | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status1 = 0;
     int status2 = 0;
     // Preset action: Fork a sub process pid1
@@ -623,7 +623,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest1000, Function | MediumTest | Level2
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest1100, Function | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     struct timespec tp = { 0 };
     // Preset action: Fork a sub process
@@ -821,7 +821,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest1500, Reliability | MediumTest | Lev
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest1600, Reliability | MediumTest | Level3)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     // Preset action: Fork a sub process
     pid_t pid = fork();
@@ -901,7 +901,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest1700, Reliability | MediumTest | Lev
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest1800, Reliability | MediumTest | Level3)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     // Preset action: Fork a sub process
     pid_t pid = fork();
@@ -939,7 +939,7 @@ HWTEST_F(CapabilityTestSuite, CapabilityTest1800, Reliability | MediumTest | Lev
  */
 HWTEST_F(CapabilityTestSuite, CapabilityTest1900, Reliability | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     // Preset action: Fork a sub process
     pid_t pid = fork();
diff --git a/security_lite/permission_posix/dac/src/ActsDacPreTest.cpp b/security_lite/permission_posix/dac/src/ActsDacPreTest.cpp
index a535cb5315087a8c0ba0768ec48e82bbaf488896..0decd13242e83cafb116784e1b17b64e0b5f5e56 100755
--- a/security_lite/permission_posix/dac/src/ActsDacPreTest.cpp
+++ b/security_lite/permission_posix/dac/src/ActsDacPreTest.cpp
@@ -642,7 +642,7 @@ HWTEST_F(DacTestSuite, DACTest0020, Function | MediumTest | Level1)
  */
 HWTEST_F(DacTestSuite, DACTest0030, Function | MediumTest | Level1)
 {
-    int ret;
+    int ret = 0;
     gid_t grouplist[SIZE255];
     // Preset action: Obtain the groups of the current process
     unsigned int groupsize = getgroups(0, grouplist);
@@ -677,7 +677,7 @@ HWTEST_F(DacTestSuite, DACTest0030, Function | MediumTest | Level1)
  */
 HWTEST_F(DacTestSuite, DACTest0040, Function | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     gid_t grouplist[SIZE255];
     // Preset action: Obtain the groups of the current process
     unsigned int groupsize = getgroups(0, grouplist);
@@ -712,7 +712,7 @@ HWTEST_F(DacTestSuite, DACTest0040, Function | MediumTest | Level2)
  */
 HWTEST_F(DacTestSuite, DACTest0050, Function | MediumTest | Level3)
 {
-    int ret;
+    int ret = 0;
     gid_t grouplist[SIZE255];
     // Preset action: Obtain the groups of the current process
     unsigned int groupsize = getgroups(0, grouplist);
@@ -747,7 +747,7 @@ HWTEST_F(DacTestSuite, DACTest0050, Function | MediumTest | Level3)
  */
 HWTEST_F(DacTestSuite, DACTest0060, Function | MediumTest | Level3)
 {
-    int ret;
+    int ret = 0;
     gid_t grouplist[SIZE255];
     // Preset action: Obtain the groups of the current process
     size_t groupsize = getgroups(0, grouplist);
@@ -787,7 +787,7 @@ HWTEST_F(DacTestSuite, DACTest0060, Function | MediumTest | Level3)
  */
 HWTEST_F(DacTestSuite, DACTest0070, Security | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     // Preset action: Fork three sub processes
     pid_t pid;
@@ -849,7 +849,7 @@ HWTEST_F(DacTestSuite, DACTest0070, Security | MediumTest | Level2)
  */
 HWTEST_F(DacTestSuite, DACTest0080, Function | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     uid_t ruid = 0; uid_t euid = 0; uid_t suid = 0;
     uid_t newruid = 0; uid_t neweuid = 0; uid_t newsuid = 0;
     gid_t rgid = 0; gid_t egid = 0; gid_t sgid = 0;
@@ -909,7 +909,7 @@ HWTEST_F(DacTestSuite, DACTest0080, Function | MediumTest | Level2)
  */
 HWTEST_F(DacTestSuite, DACTest0120, Security | MediumTest | Level2)
 {
-    int ret;
+    int ret = 0;
     int status = 0;
     // Preset action: Fork a sub process
     pid_t pid = fork();
diff --git a/security_lite/permission_posix/pms/src/ActsPMSLoadTest.cpp b/security_lite/permission_posix/pms/src/ActsPMSLoadTest.cpp
index e3f1c5b7e4d703c50d82090b759114e9ecfe87d4..fb355ebeb53125fc21bae43c9d8c5808e3b20c77 100755
--- a/security_lite/permission_posix/pms/src/ActsPMSLoadTest.cpp
+++ b/security_lite/permission_posix/pms/src/ActsPMSLoadTest.cpp
@@ -171,7 +171,7 @@ HWTEST_F(ActsPMSLoadTest, testSecPMPMS_0540, Function | MediumTest | Level1)
 HWTEST_F(ActsPMSLoadTest, testSecPMPMS_0550, Function | MediumTest | Level0)
 {
     SaveOrUpdatePermissions(TEST_APP_ID, g_systemPers, SYS_PERM_NUM, FIRST_INSTALL);
-    int i;
+    int i = 0;
     for (i = 0; i < SYS_PERM_NUM; i++) {
         g_interface->GrantPermission(TEST_APP_ID, g_systemPers[i].name);
     }