Revert "modify push."

This reverts commit 4596722756de535c1ce30d696cb284e402093f8c.
Revert "remove error."

This reverts commit 9576f4f9df08258a25124247af9055cdae742f35.
Revert "recheck alert."

This reverts commit 1a2652c8bdfdf32368c5c949c987ac2df340549b.
Revert "changing the header of the alert."

This reverts commit 6051bcf4b9fec744872d3f3aa59e6e85b64a8688.
Revert "logging events."

This reverts commit ba8fc3a3cb32993237fedfeba742a33d51490857.