fix

src/oj/problem/components/ProblemContent.vue

@@ -47,10 +47,19 @@ async function loadSimilarProblems() {
   similarLoaded.value = true
 }
 
+// 切换题目时重置相似推荐状态
+watch(
+  () => problem.value?._id,
+  () => {
+    similarProblems.value = []
+    similarLoaded.value = false
+  },
+)
+
 // AC 或失败次数 >= 3 时加载推荐
 watch(
-  () => [problem.value?.my_status, problemStore.totalFailCount],
-  ([status, failCount]) => {
+  () => [problem.value?._id, problem.value?.my_status, problemStore.totalFailCount],
+  ([, status, failCount]) => {
     if (status === 0 || (failCount as number) >= 3) {
       loadSimilarProblems()
     }

src/oj/problem/detail.vue

@@ -104,6 +104,7 @@ async function init() {
   }
 }
 onMounted(init)
+watch(() => props.problemID, init)
 onBeforeUnmount(() => {
   problem.value = null
   errMsg.value = "无数据"