diff --git a/services/clouddisk_database/src/clouddisk_notify.cpp b/services/clouddisk_database/src/clouddisk_notify.cpp
index bf9d28c42a3d5d39f376b905f5746f9a012e69c3..cf2937947008a2020e410573c2fe47615e9f5968 100644
--- a/services/clouddisk_database/src/clouddisk_notify.cpp
+++ b/services/clouddisk_database/src/clouddisk_notify.cpp
@@ -28,8 +28,6 @@ const string BUNDLENAME_FLAG = "<BundleName>";
 const string CLOUDDISK_URI_PREFIX = "file://<BundleName>/data/storage/el2/cloud";
 const string BACKFLASH = "/";
 const string RECYCLE_BIN = ".trash";
-constexpr uint32_t MAX_NOTIFY_LIST_SIZE = 32;
-constexpr size_t MNOTIFY_TIME_INTERVAL = 500;
 static pair<string, shared_ptr<CloudDiskRdbStore>> cacheRdbStore("", nullptr);
 std::mutex cacheRdbMutex;
 
diff --git a/services/clouddisk_database/src/clouddisk_rdbstore.cpp b/services/clouddisk_database/src/clouddisk_rdbstore.cpp
index 585790712499b68dcfa403232aaece49b323d914..b6a6b050c6d41902042d8a989ca5bee741670c25 100644
--- a/services/clouddisk_database/src/clouddisk_rdbstore.cpp
+++ b/services/clouddisk_database/src/clouddisk_rdbstore.cpp
@@ -888,7 +888,7 @@ int32_t CloudDiskRdbStore::GetSourcePath(const string &attr, const string &paren
     string uri;
     int32_t ret = GetUriFromDB(parentCloudId, uri);
     if (ret == E_OK) {
-        sourcePath == ConvertUriToSrcPath(uri);
+        sourcePath = ConvertUriToSrcPath(uri);
     } else {
         LOGI("file src path fail, restore to root dir");
     }
diff --git a/utils/ffrt/src/ffrt_timer.cpp b/utils/ffrt/src/ffrt_timer.cpp
index 5b0c564104d169847339bd74bf9d647eddb5fc85..324be66485d8ac9a13159a9a281b50b513fd15f0 100644
--- a/utils/ffrt/src/ffrt_timer.cpp
+++ b/utils/ffrt/src/ffrt_timer.cpp
@@ -18,7 +18,7 @@
 #include "cloud_file_log.h"
 
 namespace OHOS::FileManagement::CloudFile {
-static constexpr uint32_t TIMER_MAX_INTERVAL_MS = 200;
+
 using namespace std;
 
 FfrtTimer::FfrtTimer(const std::string &name) : name_(name) {}