diff --git a/services/cameraservice/base/src/dcamera_capture_info_cmd.cpp b/services/cameraservice/base/src/dcamera_capture_info_cmd.cpp
index 13014ff857eba6fe6c344e1293580b2df19e53fd..8bb50d0a26cb5a8cf93babea9399de612d3e944c 100644
--- a/services/cameraservice/base/src/dcamera_capture_info_cmd.cpp
+++ b/services/cameraservice/base/src/dcamera_capture_info_cmd.cpp
@@ -114,7 +114,7 @@ int32_t DCameraCaptureInfoCmd::Unmarshal(const std::string& jsonStr)
     if (tokenId == nullptr || !cJSON_IsNumber(tokenId)) {
         tokenId_ = 0;
     } else {
-        tokenId_ = tokenId->valueint;
+        tokenId_ = static_cast<uint64_t>(tokenId->valueint);
     }
     cJSON *accountId = cJSON_GetObjectItemCaseSensitive(rootValue, "accountId");
     if (accountId == nullptr || !cJSON_IsString(accountId) || (accountId->valuestring == nullptr)) {