Nuxt-link listens for routing changes and executes multiple times

<template>
  <div>
    <div>
      <nuxt-link class="test" :to="{ path: "/testNuxtLink/1" }" :key=""a""></nuxt-link>
      <br />
    </div>
    <div>
      <nuxt-link class="test" :to="{ path: "/testNuxtLink/2" }" :key=""b"">2</nuxt-link>
      <br />
    </div>
    <div>
      <nuxt-link class="test" :to="{ path: "/testNuxtLink/3" }" :key=""c"">3</nuxt-link>
    </div>
    <div>
      <nuxt-link class="test" :to="{ path: "/testNuxtLink/4" }" :key=""d"">4</nuxt-link>
    </div>
    

this routeParam: {{ routeParams }}

</div> </template> <script> export default { data() { return { routeParams: this.$route.params }; }, watch: { $route: { handler: function(val, oldVal){ console.log(val.params); Object.assign(this.routeParams, val.params) }, // deep: true } } }; </script>

when you click on the home page of 2pr 3je 4, respectively, you will get the following output

{0: "/ 2"}
testNuxtLink.vue?f05a:33 {0: "/ 2"}
testNuxtLink.vue?f05a:33 {0: "/ 3"}
testNuxtLink.vue?f05a:33 {0: "/ 4"}
testNuxtLink.vue?f05a:33 {0: "/ 4" "}
testNuxtLink.vue?f05a:33 {0:" / 4 "}
testNuxtLink.vue?f05a:33 {0:" / 1 "}
testNuxtLink.vue?f05a: 33 {0: "/ 1"}
testNuxtLink.vue?f05a:33 {0: "/ 1"}

Jul.01,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1eb29a9-23f2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eb29a9-23f2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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