diff --git a/interfaces/innerkits/native/remote_file_share/src/remote_file_share.cpp b/interfaces/innerkits/native/remote_file_share/src/remote_file_share.cpp
index 85671277a7da7d22fb12716cd2824b6dcf95b9c9..c31ff7b264d653b8fa65d3265fe0588fa7e5e4a7 100644
--- a/interfaces/innerkits/native/remote_file_share/src/remote_file_share.cpp
+++ b/interfaces/innerkits/native/remote_file_share/src/remote_file_share.cpp
@@ -312,7 +312,7 @@ static int32_t SetPublicDirHmdfsInfo(const std::string &physicalPath, const std:
         LOGE("Failed to get physical path stat with %{public}d", -errno);
         return -errno;
     }
-    hui.fileSize = buf.st_size;
+    hui.fileSize = static_cast<size_t>(buf.st_size);
     return 0;
 }
 
diff --git a/interfaces/kits/js/file_share/grant_uri_permission.cpp b/interfaces/kits/js/file_share/grant_uri_permission.cpp
index 33c1ddc11a72b96bcd15a185451bd918c978b586..783fe7c814db0c745266d7951a27d96da43b2bb6 100644
--- a/interfaces/kits/js/file_share/grant_uri_permission.cpp
+++ b/interfaces/kits/js/file_share/grant_uri_permission.cpp
@@ -226,7 +226,7 @@ namespace ModuleFileShare {
         uriPermInfo.bundleName = string(bundleName.get());
 
         if (NVal(env, funcArg[NARG_POS::THIRD]).TypeIs(napi_number)) {
-            auto [succFlag, flag] = NVal(env, funcArg[NARG_POS::THIRD]).ToInt32();
+            auto [succFlag, flag] = NVal(env, funcArg[NARG_POS::THIRD]).ToUint32();
             uriPermInfo.flag = flag;
             uriPermInfo.mode = GetModeFromFlag(flag);
         } else if (NVal(env, funcArg[NARG_POS::THIRD]).TypeIs(napi_string)) {