diff --git a/test/fuzztest/accesstokenid/src/accesstokenidcommon.cpp b/test/fuzztest/accesstokenid/src/accesstokenidcommon.cpp
index 5fa30eaf77434bf02c9f0d08c75f297259181666..fc35c97e216920cab3f9db9a097e4cf4854b5d20 100644
--- a/test/fuzztest/accesstokenid/src/accesstokenidcommon.cpp
+++ b/test/fuzztest/accesstokenid/src/accesstokenidcommon.cpp
@@ -21,11 +21,11 @@
 namespace OHOS {
 namespace Kernel {
 namespace AccessToken {
-const char *g_devaccesstokenid = "/dev/access_token_id";
+const char *DEVACCESSTOKENID = "/dev/access_token_id";
 
 int GetTokenid(unsigned long long *token)
 {
-    int fd = open(g_devaccesstokenid, O_RDWR);
+    int fd = open(DEVACCESSTOKENID, O_RDWR);
     if (fd < 0) {
         return -1;
     }
@@ -40,7 +40,7 @@ int GetTokenid(unsigned long long *token)
 
 int SetTokenid(unsigned long long *token)
 {
-    int fd = open(g_devaccesstokenid, O_RDWR);
+    int fd = open(DEVACCESSTOKENID, O_RDWR);
     if (fd < 0) {
         return -1;
     }
@@ -182,7 +182,7 @@ int AccessTokenidGrpTestOther(uint8_t *dataToken)
 
 int GetfTokenid(unsigned long long *ftoken)
 {
-    int fd = open(g_devaccesstokenid, O_RDWR);
+    int fd = open(DEVACCESSTOKENID, O_RDWR);
     if (fd < 0) {
         return -1;
     }
@@ -199,7 +199,7 @@ int GetfTokenid(unsigned long long *ftoken)
 
 int SetfTokenid(unsigned long long *ftoken)
 {
-    int fd = open(g_devaccesstokenid, O_RDWR);
+    int fd = open(DEVACCESSTOKENID, O_RDWR);
     if (fd < 0) {
         return -1;
     }
diff --git a/test/fuzztest/hc_node/hcenable_fuzzer/hcenable_fuzzer.cpp b/test/fuzztest/hc_node/hcenable_fuzzer/hcenable_fuzzer.cpp
index dc502cbe89d03c9bd84a59db880d098872031196..2668d4c90f9ead896f7ae7fccbeca438d71b9289 100644
--- a/test/fuzztest/hc_node/hcenable_fuzzer/hcenable_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hcenable_fuzzer/hcenable_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcEnable = "/sys/fs/f2fs/loop1/hc_enable";
+const char *HC_ENABLE = "/sys/fs/f2fs/loop1/hc_enable";
 
 namespace OHOS {
 bool HcEnableFuzzer(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcEnable, size);
+    bool ret = HcFuzzTest(data, HC_ENABLE, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hchotdatalowerlimit_fuzzer/hchotdatalowerlimit_fuzzer.cpp b/test/fuzztest/hc_node/hchotdatalowerlimit_fuzzer/hchotdatalowerlimit_fuzzer.cpp
index 11b331f85737c23ff2c907bb73d9237d092fd3df..49d7010db4578274cc542d2f5b010d18a80d4aaa 100644
--- a/test/fuzztest/hc_node/hchotdatalowerlimit_fuzzer/hchotdatalowerlimit_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hchotdatalowerlimit_fuzzer/hchotdatalowerlimit_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcHotDataLowerLimit = "/sys/fs/f2fs/loop1/hc_hot_data_lower_limit";
+const char *HC_HOT_DATA_LOWER_LIMIT = "/sys/fs/f2fs/loop1/hc_hot_data_lower_limit";
 
 namespace OHOS {
 bool HcHotDataLowerLimitFuzzer(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcHotDataLowerLimit, size);
+    bool ret = HcFuzzTest(data, HC_HOT_DATA_LOWER_LIMIT, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hchotdatawaterline_fuzzer/hchotdatawaterline_fuzzer.cpp b/test/fuzztest/hc_node/hchotdatawaterline_fuzzer/hchotdatawaterline_fuzzer.cpp
index 96df8a21096cd085c675506c308be7e4b2a33e29..f40fa837d5a469d7fe5ce187d2952aea58688318 100644
--- a/test/fuzztest/hc_node/hchotdatawaterline_fuzzer/hchotdatawaterline_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hchotdatawaterline_fuzzer/hchotdatawaterline_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcHotDataWaterline = "/sys/fs/f2fs/loop1/hc_hot_data_waterline";
+const char *HC_HOT_DATA_WATERLINE = "/sys/fs/f2fs/loop1/hc_hot_data_waterline";
 
 namespace OHOS {
 bool HcHotDataWaterlineFuzzer(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcHotDataWaterline, size);
+    bool ret = HcFuzzTest(data, HC_HOT_DATA_WATERLINE, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hchotnodelowerlimit_fuzzer/hchotnodelowerlimit_fuzzer.cpp b/test/fuzztest/hc_node/hchotnodelowerlimit_fuzzer/hchotnodelowerlimit_fuzzer.cpp
index b2ea4c7a4fd56389c70b56205b425cfe6ce0eb1d..923339e3f7f40977555f314bfd01548961867a23 100644
--- a/test/fuzztest/hc_node/hchotnodelowerlimit_fuzzer/hchotnodelowerlimit_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hchotnodelowerlimit_fuzzer/hchotnodelowerlimit_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcHotNodeLowerLimit = "/sys/fs/f2fs/loop1/hc_hot_node_lower_limit";
+const char *HC_HOT_NODE_LOWER_LIMIT = "/sys/fs/f2fs/loop1/hc_hot_node_lower_limit";
 
 namespace OHOS {
 bool HcHotNodeLowerLimitFuzzTest(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcHotNodeLowerLimit, size);
+    bool ret = HcFuzzTest(data, HC_HOT_NODE_LOWER_LIMIT, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hchotnodewaterline_fuzzer/hchotnodewaterline_fuzzer.cpp b/test/fuzztest/hc_node/hchotnodewaterline_fuzzer/hchotnodewaterline_fuzzer.cpp
index 53abec06783490086a5d8c35089d30b2da9cb5a2..868f6dbd1cc12eb23ab60344cee58c248e57615a 100644
--- a/test/fuzztest/hc_node/hchotnodewaterline_fuzzer/hchotnodewaterline_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hchotnodewaterline_fuzzer/hchotnodewaterline_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcHotNodeWaterline = "/sys/fs/f2fs/loop1/hc_hot_node_waterline";
+const char *HC_HOT_NODE_WATERLINE = "/sys/fs/f2fs/loop1/hc_hot_node_waterline";
 
 namespace OHOS {
 bool HcHotNodeWaterlineFuzzTest(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcHotNodeWaterline, size);
+    bool ret = HcFuzzTest(data, HC_HOT_NODE_WATERLINE, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hcwarmdatalowerlimit_fuzzer/hcwarmdatalowerlimit_fuzzer.cpp b/test/fuzztest/hc_node/hcwarmdatalowerlimit_fuzzer/hcwarmdatalowerlimit_fuzzer.cpp
index e1bceafaadd19b7e3b2967785566ea6bf84d126b..b4a59bc5074602a281ab9080b5f29c1ed089c1eb 100644
--- a/test/fuzztest/hc_node/hcwarmdatalowerlimit_fuzzer/hcwarmdatalowerlimit_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hcwarmdatalowerlimit_fuzzer/hcwarmdatalowerlimit_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcWarmDataLowerLimit = "/sys/fs/f2fs/loop1/hc_warm_data_lower_limit";
+const char *HC_WARM_DATA_LOWER_LIMIT = "/sys/fs/f2fs/loop1/hc_warm_data_lower_limit";
 
 namespace OHOS {
 bool HcWarmDataLowerLimitFuzzTest(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcWarmDataLowerLimit, size);
+    bool ret = HcFuzzTest(data, HC_WARM_DATA_LOWER_LIMIT, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hcwarmdatawaterline_fuzzer/hcwarmdatawaterline_fuzzer.cpp b/test/fuzztest/hc_node/hcwarmdatawaterline_fuzzer/hcwarmdatawaterline_fuzzer.cpp
index 48b8334e3ca7fc6d44311b82f9e1dd4658aeb6cc..30014636a72972a384affc118dc65f669eedca47 100644
--- a/test/fuzztest/hc_node/hcwarmdatawaterline_fuzzer/hcwarmdatawaterline_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hcwarmdatawaterline_fuzzer/hcwarmdatawaterline_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcWarmDataWaterline = "/sys/fs/f2fs/loop1/hc_warm_data_waterline";
+const char *HC_WARM_DATA_WATERLINE = "/sys/fs/f2fs/loop1/hc_warm_data_waterline";
 
 namespace OHOS {
 bool HcWarmDataWaterLineFuzzTest(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcWarmDataWaterline, size);
+    bool ret = HcFuzzTest(data, HC_WARM_DATA_WATERLINE, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hcwarmnodelowerlimit_fuzzer/hcwarmnodelowerlimit_fuzzer.cpp b/test/fuzztest/hc_node/hcwarmnodelowerlimit_fuzzer/hcwarmnodelowerlimit_fuzzer.cpp
index 443a12769a43b7a9beccac90e9dd4d57f51a4183..d5ec6193c2a5231c4fa029f5877cc133fb647de9 100644
--- a/test/fuzztest/hc_node/hcwarmnodelowerlimit_fuzzer/hcwarmnodelowerlimit_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hcwarmnodelowerlimit_fuzzer/hcwarmnodelowerlimit_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcWarmNodeLowerLimit = "/sys/fs/f2fs/loop1/hc_warm_node_lower_limit";
+const char *HC_WARM_NODE_LOWER_LIMIT = "/sys/fs/f2fs/loop1/hc_warm_node_lower_limit";
 
 namespace OHOS {
 bool HcWarmNodeLowerLimit(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcWarmNodeLowerLimit, size);
+    bool ret = HcFuzzTest(data, HC_WARM_NODE_LOWER_LIMIT, size);
     return ret;
 }
 } // namespace OHOS
diff --git a/test/fuzztest/hc_node/hcwarmnodewaterline_fuzzer/hcwarmnodewaterline_fuzzer.cpp b/test/fuzztest/hc_node/hcwarmnodewaterline_fuzzer/hcwarmnodewaterline_fuzzer.cpp
index f54a3219834c6d2f077271bc4271c1e039edc520..e13cde71b970124a67452b162bac5afbdd9292ec 100644
--- a/test/fuzztest/hc_node/hcwarmnodewaterline_fuzzer/hcwarmnodewaterline_fuzzer.cpp
+++ b/test/fuzztest/hc_node/hcwarmnodewaterline_fuzzer/hcwarmnodewaterline_fuzzer.cpp
@@ -13,12 +13,12 @@
 #include <cstdint>
 #include "hccommon.h"
 
-const char *g_hcWarmNodeWaterline = "/sys/fs/f2fs/loop1/hc_warm_node_waterline";
+const char *HC_WARM_NODE_WATERLINE = "/sys/fs/f2fs/loop1/hc_warm_node_waterline";
 
 namespace OHOS {
 bool HcWarmNodeLowerWaterLine(const uint8_t *data, size_t size)
 {
-    bool ret = HcFuzzTest(data, g_hcWarmNodeWaterline, size);
+    bool ret = HcFuzzTest(data, HC_WARM_NODE_WATERLINE, size);
     return ret;
 }
 } // namespace OHOS