[ 'name' => 'required', 'coordinator_id' => 'nullable|integer', 'cover' => 'nullable|integer', 'tags' => 'nullable', 'intro' => 'nullable', 'is_issue' => 'nullable|integer', 'status' => 'nullable|integer', ], ValidatorInterface::RULE_UPDATE => [ 'name' => 'required', 'coordinator_id' => 'nullable|integer', 'cover' => 'sometimes|nullable|integer', 'tags' => 'nullable', 'intro' => 'nullable', 'is_issue' => 'nullable|integer', 'status' => 'nullable|integer', ], ]; }