diff --git a/frameworks/native/src/common_event_support.cpp b/frameworks/native/src/common_event_support.cpp
index bf513bd703437d579d3f9538bf25bfad6645bac8..ba0f1a8d1aac6f698c41eae7a9d545feee379c99 100644
--- a/frameworks/native/src/common_event_support.cpp
+++ b/frameworks/native/src/common_event_support.cpp
@@ -1594,6 +1594,12 @@ const std::string CommonEventSupport::COMMON_EVENT_CUSTOM_ROAMING_REGION_UPDATED
  */
 const std::string CommonEventSupport::COMMON_EVENT_SCREEN_SHARE = "usual.event.SCREEN_SHARE";
 
+/**
+ * Indicates that the cloud disk root info has changed.
+ * This is a protected common event that can only be sent by system.
+ */
+const std::string CommonEventSupport::COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED = "usual.event.CLOUD_DISK_ROOT_CHANGED";
+
 CommonEventSupport::CommonEventSupport()
 {
     Init();
@@ -3027,6 +3033,12 @@ void CommonEventSupport::Init()
      * This is a protected common event that can only be sent by system.
      */
     commonEventSupport_.emplace_back(CommonEventSupport::COMMON_EVENT_SCREEN_SHARE);
+
+    /**
+     * Indicates that the cloud disk root info has changed.
+     * This is a protected common event that can only be sent by system.
+     */
+    commonEventSupport_.emplace_back(CommonEventSupport::COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED);
     return;
 }
 
diff --git a/interfaces/inner_api/common_event_support.h b/interfaces/inner_api/common_event_support.h
index 5fb0581f55626fb96e90fb385fad1a1d46faf68f..6de0e874a37e2a6a4f9a31567e95e566e6894888 100644
--- a/interfaces/inner_api/common_event_support.h
+++ b/interfaces/inner_api/common_event_support.h
@@ -1445,6 +1445,12 @@ public:
      */
     static const std::string COMMON_EVENT_SCREEN_SHARE;
 
+    /**
+     * Indicates that the cloud disk root info has changed.
+     * This is a protected common event that can only be sent by system.
+     */
+    static const std::string COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED;
+
 public:
     CommonEventSupport();
 
diff --git a/interfaces/kits/ani/common_event/ets/@ohos.commonEventManager.ets b/interfaces/kits/ani/common_event/ets/@ohos.commonEventManager.ets
index 96ba18f22af7fa93346cac6c261d296a0db13b60..6786f70a16526e69e5a41ac661249630e4ad90bc 100644
--- a/interfaces/kits/ani/common_event/ets/@ohos.commonEventManager.ets
+++ b/interfaces/kits/ani/common_event/ets/@ohos.commonEventManager.ets
@@ -509,6 +509,7 @@ namespace commonEventManager {
         COMMON_EVENT_KIOSK_MODE_OFF = 'usual.event.KIOSK_MODE_OFF',
         COMMON_EVENT_CUSTOM_CONFIG_POLICY_UPDATED = 'usual.event.CUSTOM_CONFIG_POLICY_UPDATED',
         COMMON_EVENT_CUSTOM_ROAMING_REGION_UPDATED = 'usual.event.CUSTOM_ROAMING_REGION_UPDATED',
+        COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED = 'usual.event.CLOUD_DISK_ROOT_CHANGED',
     }
 
 }
diff --git a/interfaces/kits/napi/support/src/support.cpp b/interfaces/kits/napi/support/src/support.cpp
index b3bda289645479239c1dfe05439c055e9ae9cea9..b5ef4824fac3d74ef49978b8d98805f2c39331bd 100644
--- a/interfaces/kits/napi/support/src/support.cpp
+++ b/interfaces/kits/napi/support/src/support.cpp
@@ -718,6 +718,10 @@ napi_value SupportInit(napi_env env, napi_value exports)
         obj,
         EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_SHARE,
         "COMMON_EVENT_SCREEN_SHARE");
+    SetNamedPropertyByStr(env,
+        obj,
+        EventFwk::CommonEventSupport::COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED,
+        "COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED");
     napi_property_descriptor exportFuncs[] = {DECLARE_NAPI_PROPERTY("Support", obj)};
     napi_define_properties(env, exports, sizeof(exportFuncs) / sizeof(*exportFuncs), exportFuncs);
 
diff --git a/services/src/common_event_permission_manager.cpp b/services/src/common_event_permission_manager.cpp
index 3d22070d7ea264c5a8b82255e3f7b055ae33b5b7..8bfda9eb1e8c5d16fc843d621cac8bc6c5bb84fb 100644
--- a/services/src/common_event_permission_manager.cpp
+++ b/services/src/common_event_permission_manager.cpp
@@ -181,6 +181,9 @@ static const std::unordered_map<std::string, std::pair<PermissionState, std::vec
     {CommonEventSupport::COMMON_EVENT_TRUSTED_RING_RESET,
         {PermissionState::DEFAULT, {"ohos.permission.USE_TRUSTED_RING"}}
     },
+    {CommonEventSupport::COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED,
+        {PermissionState::DEFAULT, {"ohos.permission.ACCESS_CLOUD_DISK_INFO"}}
+    },
 };
 
 static const std::unordered_set<std::string> SYSTEM_API_COMMON_EVENTS {
@@ -200,7 +203,8 @@ static const std::unordered_set<std::string> SYSTEM_API_COMMON_EVENTS {
     CommonEventSupport::COMMON_EVENT_CUSTOM_CONFIG_POLICY_UPDATED,
     CommonEventSupport::COMMON_EVENT_CUSTOM_ROAMING_REGION_UPDATED,
     CommonEventSupport::COMMON_EVENT_SCREEN_SHARE,
-    CommonEventSupport::COMMON_EVENT_BUNDLE_SCAN_FINISHED
+    CommonEventSupport::COMMON_EVENT_BUNDLE_SCAN_FINISHED,
+    CommonEventSupport::COMMON_EVENT_CLOUD_DISK_ROOT_CHANGED
 };
 
 static const std::vector<std::string> SENSITIVE_COMMON_EVENTS {