fix vue component

Author: MrWangJustToDo

packages/vue/src/components/DiffSplitViewWrap.tsx

@@ -62,6 +62,7 @@ export const DiffSplitViewWrap = defineComponent(
 
     useSubscribeDiffFile(props, (diffFile) => {
       lines.value = getSplitContentLines(diffFile);
+      maxText.value = diffFile.splitLineLength.toString();
     });
 
     const width = useTextWidth({ text: maxText, font });

packages/vue/src/components/DiffView.tsx

@@ -99,7 +99,7 @@ export const DiffView = defineComponent<
     watch(
       () => props.diffFile,
       () => {
-        diffFile.value._destroy?.();
+        diffFile.value?._destroy?.();
         diffFile.value = getInstance();
       },
       { immediate: true }
@@ -108,7 +108,7 @@ export const DiffView = defineComponent<
     watch(
       () => props.data,
       () => {
-        diffFile.value._destroy?.();
+        diffFile.value?._destroy?.();
         diffFile.value = getInstance();
       },
       { immediate: true, deep: true }