Watch cannot listen to the changes of props

The veU parent passes an object as an argument

Props gets Watch to listen for changes, but watch does not trigger the listen

Two solutions

2. Watch sets the usage of deep listening parameters

Handler (newVal,oldVal) {handle (newVal,oldVal) {handle (newVal,oldVal) {handle (newVal,oldVal) {handle (newVal,oldVal) {handle (newVal,oldVal) {handle (newVal,oldVal) {handle (newVal,oldVal)}, deep: trueCopy the code