diff --git a/interfaces/kits/napi/ans/include/common.h b/interfaces/kits/napi/ans/include/common.h
index 297cd4132575822c8e6167e18157a60481dd933f..12557ec917edc176554bbfa20ff901b1ee419a46 100644
--- a/interfaces/kits/napi/ans/include/common.h
+++ b/interfaces/kits/napi/ans/include/common.h
@@ -24,7 +24,7 @@ namespace OHOS {
 namespace NotificationNapi {
 using namespace OHOS::Notification;
 
-const std::int32_t STR_MAX_SIZE = 64;
+const std::int32_t STR_MAX_SIZE = 200;
 const std::int32_t LONG_STR_MAX_SIZE = 1024;
 const int NO_ERROR = 0;
 const int ERROR = -1;