diff --git a/components/i/library/Thread.vue b/components/i/library/Thread.vue
index eace86dc7deabd560aedc5f5257555f719ca69dd..388a970e9935a1aabf3a6716356946717e474a8d 100644
--- a/components/i/library/Thread.vue
+++ b/components/i/library/Thread.vue
@@ -76,9 +76,12 @@ function handleOpenSelect () {
 }
 function handleUpdateCollect (data) {
     const { c_id } = data.value
-    if (c_id === thread.value.c_id) thread.value.collections = [data.value]
+    if (c_id === thread.value.c_id) {
+        thread.value.collections = [data.value]
+        Layout.clearCollectData()
+    }
 }
 watch(()=> Layout.selectCollectData, (data) => {
-    handleUpdateCollect(data)
+    if (data.value !== null) handleUpdateCollect(data)
 }, { deep: true })
 </script>
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