diff --git a/interfaces/kits/js/src/mod_fs/class_randomaccessfile/ani/randomaccessfile_ani.cpp b/interfaces/kits/js/src/mod_fs/class_randomaccessfile/ani/randomaccessfile_ani.cpp
index 604835791b9fe812fe42c9d0160c3b0bd6220bd0..a2eed37eb846e9e53bed49311085b0bfb5ceff45 100644
--- a/interfaces/kits/js/src/mod_fs/class_randomaccessfile/ani/randomaccessfile_ani.cpp
+++ b/interfaces/kits/js/src/mod_fs/class_randomaccessfile/ani/randomaccessfile_ani.cpp
@@ -283,14 +283,14 @@ static ani_string GetFilePath(ani_env *env, const int fd)
 
 static ani_object CreateReadStreamOptions(ani_env *env, int64_t start, int64_t end)
 {
-    static const char *className = "L@ohos/file/fs/ReadStreamOptionsInner;";
+    static const char *className = "@ohos.file.fs.ReadStreamOptionsInner";
     ani_class cls;
     if (ANI_OK != env->FindClass(className, &cls)) {
         HILOGE("Cannot find class %s", className);
         return nullptr;
     }
     ani_method ctor;
-    if (ANI_OK != env->Class_FindMethod(cls, "<ctor>", ":V", &ctor)) {
+    if (ANI_OK != env->Class_FindMethod(cls, "<ctor>", ":", &ctor)) {
         HILOGE("Cannot find constructor method for class %s", className);
         return nullptr;
     }
@@ -326,14 +326,14 @@ static ani_object CreateReadStreamOptions(ani_env *env, int64_t start, int64_t e
 
 static ani_object CreateWriteStreamOptions(ani_env *env, int64_t start, int flags)
 {
-    static const char *className = "L@ohos/file/fs/WriteStreamOptionsInner;";
+    static const char *className = "@ohos.file.fs.WriteStreamOptionsInner";
     ani_class cls;
     if (ANI_OK != env->FindClass(className, &cls)) {
         HILOGE("Cannot find class %s", className);
         return nullptr;
     }
     ani_method ctor;
-    if (ANI_OK != env->Class_FindMethod(cls, "<ctor>", ":V", &ctor)) {
+    if (ANI_OK != env->Class_FindMethod(cls, "<ctor>", ":", &ctor)) {
         HILOGE("Cannot find constructor method for class %s", className);
         return nullptr;
     }
@@ -364,14 +364,15 @@ static ani_object CreateWriteStreamOptions(ani_env *env, int64_t start, int flag
 
 static ani_object CreateReadStream(ani_env *env, ani_string filePath, ani_object options)
 {
-    static const char *className = "L@ohos/file/fs/fileIo/ReadStream;";
+    static const char *className = "@ohos.file.fs.fileIo.ReadStream";
     ani_class cls;
     if (ANI_OK != env->FindClass(className, &cls)) {
         HILOGE("Cannot find class %s", className);
         return nullptr;
     }
     ani_method ctor;
-    if (ANI_OK != env->Class_FindMethod(cls, "<ctor>", "Lstd/core/String;L@ohos/file/fs/ReadStreamOptions;:V", &ctor)) {
+    const auto *signature = "C{std.core.String}C{@ohos.file.fs.ReadStreamOptions}:";
+    if (ANI_OK != env->Class_FindMethod(cls, "<ctor>", signature, &ctor)) {
         HILOGE("Cannot find constructor method for class %s", className);
         return nullptr;
     }
@@ -386,7 +387,7 @@ static ani_object CreateReadStream(ani_env *env, ani_string filePath, ani_object
 
 static ani_object CreateWriteStream(ani_env *env, ani_string filePath, ani_object options)
 {
-    static const char *className = "L@ohos/file/fs/fileIo/WriteStream;";
+    static const char *className = "@ohos.file.fs.fileIo.WriteStream";
     ani_class cls;
     if (ANI_OK != env->FindClass(className, &cls)) {
         HILOGE("Cannot find class %s", className);
@@ -394,7 +395,7 @@ static ani_object CreateWriteStream(ani_env *env, ani_string filePath, ani_objec
     }
     ani_method ctor;
     if (ANI_OK !=
-        env->Class_FindMethod(cls, "<ctor>", "Lstd/core/String;L@ohos/file/fs/WriteStreamOptions;:V", &ctor)) {
+        env->Class_FindMethod(cls, "<ctor>", "C{std.core.String}C{@ohos.file.fs.WriteStreamOptions}:", &ctor)) {
         HILOGE("Cannot find constructor method for class %s", className);
         return nullptr;
     }
@@ -485,4 +486,4 @@ ani_object RandomAccessFileAni::GetWriteStream(ani_env *env, [[maybe_unused]] an
 } // namespace ANI
 } // namespace ModuleFileIO
 } // namespace FileManagement
-} // namespace OHOS
\ No newline at end of file
+} // namespace OHOS