diff --git a/interfaces/kits/napi/continuation_manager/js_continuation_manager.cpp b/interfaces/kits/napi/continuation_manager/js_continuation_manager.cpp
index 29dcb18d..1c711840 100644
--- a/interfaces/kits/napi/continuation_manager/js_continuation_manager.cpp
+++ b/interfaces/kits/napi/continuation_manager/js_continuation_manager.cpp
@@ -33,6 +33,7 @@ constexpr int32_t ERR_NOT_OK = -1;
 constexpr int32_t ARG_COUNT_ONE = 1;
 constexpr int32_t ARG_COUNT_TWO = 2;
 constexpr int32_t ARG_COUNT_THREE = 3;
+constexpr uint32_t MAX_JSPROCOUNT = 1000000;
 }
 
 void JsContinuationManager::Finalizer(NativeEngine* engine, void* data, void* hint)
@@ -490,6 +491,10 @@ bool JsContinuationManager::PraseJson(const napi_env& env, const napi_value& jso
     napi_value jsProName = nullptr;
     napi_value jsProValue = nullptr;
     napi_valuetype jsValueType = napi_undefined;
+    if (jsProCount > MAX_JSPROCOUNT) {
+        HILOGE("value of jsProCount is larger than MAX_JSPROCOUNT");
+        return false;
+    }
     for (uint32_t index = 0; index < jsProCount; index++) {
         napi_get_element(env, jsProNameList, index, &jsProName);
         std::string strProName = UnwrapStringFromJS(env, jsProName);