diff --git a/interfaces/innerkits/fs_manager/fstab.c b/interfaces/innerkits/fs_manager/fstab.c
index c79e689a9efe5f41dfc7c85cb53c2a7dd21ac7c5..7bc93bca78a4c8021b162d62a83ab099c7d6597a 100644
--- a/interfaces/innerkits/fs_manager/fstab.c
+++ b/interfaces/innerkits/fs_manager/fstab.c
@@ -267,7 +267,7 @@ FstabItem *FindFstabItemForPath(Fstab fstab, const char *path)
 {
     FstabItem *item = NULL;
 
-    if (path == NULL || *path == '\0' || *path != '/') {
+    if (path == NULL || *path != '/') {
         return NULL;
     }
 
diff --git a/services/param/base/param_base.c b/services/param/base/param_base.c
index 8a222ef871122e5e50eb02a58628c28da6143ebb..bfebade51c04d2b7fb33bb26a30850c8392a13ee 100644
--- a/services/param/base/param_base.c
+++ b/services/param/base/param_base.c
@@ -451,7 +451,7 @@ static const char *CachedParameterCheck(CachedParameter *param)
 const char *CachedParameterGet(CachedHandle handle)
 {
     CachedParameter *param = (CachedParameter *)handle;
-    PARAM_CHECK(param != NULL, return NULL, "Invalid handle %x", handle);
+    PARAM_CHECK(param != NULL, return NULL, "Invalid handle");
     return CachedParameterCheck(param);
 }
 
diff --git a/test/unittest/syspara/syspara_unittest.cpp b/test/unittest/syspara/syspara_unittest.cpp
index f484c28481bd9929781b6f6111c230f47bd1f857..7469da69bb82e6785f8718d5501da307a388889b 100644
--- a/test/unittest/syspara/syspara_unittest.cpp
+++ b/test/unittest/syspara/syspara_unittest.cpp
@@ -282,8 +282,8 @@ HWTEST_F(SysparaUnitTest, parameterTest0013, TestSize.Level0)
     EXPECT_EQ(GetUintParameter("test.int.get", 0), 0);
     EXPECT_EQ(GetIntParameter("test.uint.get", 0), TEST_VALUE);
     EXPECT_EQ(GetUintParameter("test.uint.get", 0), TEST_VALUE);
-    EXPECT_EQ(GetIntParameter("test.int.default", 10), 10); //key not find,value = default
-    EXPECT_EQ(GetUintParameter("test.uint.default", 10), 10); //key not find,value = default
+    EXPECT_EQ(GetIntParameter("test.int.default", 10), 10); // key not find,value = default
+    EXPECT_EQ(GetUintParameter("test.uint.default", 10), 10); // key not find,value = default
     EXPECT_EQ(IsValidParamValue(nullptr, 0), 0);
     EXPECT_EQ(IsValidParamValue("testvalue", strlen("testvalue") + 1), 1);
     EXPECT_EQ(StringToLL("0x11", &out), 0);