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src/components/tablecmt/tablecmt.vue

@@ -490,6 +490,8 @@ const handleSelectionChange = (param: TableDataType[]) => {
       iterator.value = 0;
     }
 
+    if (selectarr.value.length === 0) return;
+
     for (let index = 0; index < selectarr.value.length; index++) {
       const val = selectarr.value[index];