diff --git a/services/native/src/shutdown/shutdown_dialog.cpp b/services/native/src/shutdown/shutdown_dialog.cpp
index a748982ced57e82e6634096440db9ac634e141b2..9956675f11f472715c4c261fbec8a64373e3962e 100644
--- a/services/native/src/shutdown/shutdown_dialog.cpp
+++ b/services/native/src/shutdown/shutdown_dialog.cpp
@@ -194,6 +194,11 @@ void ShutdownDialog::LoadDialogConfig()
         return;
     }
 
+    if (root.isNull() || !root.isObject()) {
+        POWER_HILOGE(COMP_UTILS, "json root invalid[%{public}s]", contentStr.c_str());
+        return;
+    }
+    
     if (!root["bundleName"].isString() ||
         !root["abilityName"].isString() || !root["uiExtensionType"].isString()) {
         POWER_HILOGE(COMP_UTILS, "json varibale not support");
diff --git a/services/native/src/suspend/suspend_source_parser.cpp b/services/native/src/suspend/suspend_source_parser.cpp
index d84084d82b9413695a6ae31bdf1df5b47984fec2..a0d8d05c603549352e780b2ad4719271ae7cce28 100644
--- a/services/native/src/suspend/suspend_source_parser.cpp
+++ b/services/native/src/suspend/suspend_source_parser.cpp
@@ -145,6 +145,11 @@ std::shared_ptr<SuspendSources> SuspendSourceParser::ParseSources(const std::str
         return parseSources;
     }
 
+    if (root.isNull() || !root.isObject()) {
+        POWER_HILOGE(FEATURE_SUSPEND, "json root invalid[%{public}s]", jsonStr.c_str());
+        return parseSources;
+    }
+
     Json::Value::Members members = root.getMemberNames();
     for (auto iter = members.begin(); iter != members.end(); iter++) {
         std::string key = *iter;
@@ -173,7 +178,7 @@ bool SuspendSourceParser::ParseSourcesProc(
 
     uint32_t action = 0;
     uint32_t delayMs = 0;
-    if (valueObj.isObject()) {
+    if (!valueObj.isNull() && valueObj.isObject()) {
         Json::Value actionValue = valueObj[SuspendSource::ACTION_KEY];
         Json::Value delayValue = valueObj[SuspendSource::DELAY_KEY];
         if (actionValue.isUInt() && delayValue.isUInt()) {
diff --git a/services/native/src/wakeup/wakeup_source_parser.cpp b/services/native/src/wakeup/wakeup_source_parser.cpp
index 6eb634cd080982dd2cd48ca1a6288ccb94c503a8..11287a1e225c528e226d74ca0ea889e1ed250cae 100644
--- a/services/native/src/wakeup/wakeup_source_parser.cpp
+++ b/services/native/src/wakeup/wakeup_source_parser.cpp
@@ -101,6 +101,11 @@ std::shared_ptr<WakeupSources> WakeupSourceParser::ParseSources(const std::strin
         return parseSources;
     }
 
+    if (root.isNull() || !root.isObject()) {
+        POWER_HILOGE(FEATURE_WAKEUP, "json root invalid[%{public}s]", jsonStr.c_str());
+        return parseSources;
+    }
+
     Json::Value::Members members = root.getMemberNames();
     for (auto iter = members.begin(); iter != members.end(); iter++) {
         std::string key = *iter;
@@ -122,7 +127,7 @@ bool WakeupSourceParser::ParseSourcesProc(
     bool enable = true;
     uint32_t click = DOUBLE_CLICK;
     WakeupDeviceType wakeupDeviceType = WakeupDeviceType::WAKEUP_DEVICE_UNKNOWN;
-    if (valueObj.isObject()) {
+    if (!valueObj.isNull() && valueObj.isObject()) {
         Json::Value enableValue = valueObj[WakeupSource::ENABLE_KEY];
         Json::Value clickValue = valueObj[WakeupSource::KEYS_KEY];
         if (!clickValue.isNull() && clickValue.isUInt()) {
diff --git a/services/native/src/wakeup_action/wakeup_action_source_parser.cpp b/services/native/src/wakeup_action/wakeup_action_source_parser.cpp
index ab3c21cfb583a4d03449d40254f8dcb21fc0e946..9ea264050c9ac487b4908a579fb281395cc354b1 100644
--- a/services/native/src/wakeup_action/wakeup_action_source_parser.cpp
+++ b/services/native/src/wakeup_action/wakeup_action_source_parser.cpp
@@ -86,6 +86,11 @@ std::shared_ptr<WakeupActionSources> WakeupActionSourceParser::ParseSources(cons
         return parseSources;
     }
 
+    if (root.isNull() || !root.isObject()) {
+        POWER_HILOGE(FEATURE_WAKEUP_ACTION, "json root invalid[%{public}s]", jsonStr.c_str());
+        return parseSources;
+    }
+    
     Json::Value::Members members = root.getMemberNames();
     for (auto iter = members.begin(); iter != members.end(); iter++) {
         std::string key = *iter;
@@ -105,7 +110,7 @@ bool WakeupActionSourceParser::ParseSourcesProc(
 {
     std::string scene{""};
     uint32_t action = 0;
-    if (valueObj.isObject()) {
+    if (!valueObj.isNull() && valueObj.isObject()) {
         Json::Value sceneValue = valueObj[WakeupActionSource::SCENE_KEY];
         Json::Value actionValue = valueObj[WakeupActionSource::ACTION_KEY];
         if (sceneValue.isString()) {