diff --git a/apps/admin/src/view/Course/Create/Guide/index.tsx b/apps/admin/src/view/Course/Create/Guide/index.tsx
index cc84c27..29fac5e 100644
--- a/apps/admin/src/view/Course/Create/Guide/index.tsx
+++ b/apps/admin/src/view/Course/Create/Guide/index.tsx
@@ -85,35 +85,65 @@ export default function Guide(props: IProps) {
   };
 
   useEffect(() => {
-    if (props.defaultValue)
-      vditorRef.current = new Vditor("vditor", {
-        height: 600,
-        cache: {
-          id: props.id,
-          enable: false,
+    vditorRef.current = new Vditor("vditor", {
+      height: 600,
+      cache: {
+        id: props.id,
+        enable: false,
+      },
+      toolbar: [...toolbar, "|", submitTool],
+      value: props.defaultValue ?? "",
+      hint: { delay: 200, emoji },
+      counter: { enable: true },
+      preview: { actions: ["desktop", "mobile"] },
+      after: () => console.log("[info] vditor init success..."),
+      upload: {
+        accept: "image/*",
+        url: "/api/vod/oss/image/upload",
+        multiple: false,
+        success(_, res) {
+          const { code, data, msg } = JSON.parse(res);
+          if (code === 10000) {
+            message.success("上传成功");
+            const { name, url } = data;
+            vditorRef.current?.insertValue(`![${name}](${url})`);
+          } else {
+            message.error(msg);
+          }
         },
-        toolbar: [...toolbar, "|", submitTool],
-        value: props.defaultValue ?? "",
-        hint: { delay: 200, emoji },
-        counter: { enable: true },
-        preview: { actions: ["desktop", "mobile"] },
-        after: () => console.log("[info] vditor init success..."),
-        upload: {
-          accept: "image/*",
-          url: "/api/vod/oss/image/upload",
-          multiple: false,
-          success(_, res) {
-            const { code, data, msg } = JSON.parse(res);
-            if (code === 10000) {
-              message.success("上传成功");
-              const { name, url } = data;
-              vditorRef.current?.insertValue(`![${name}](${url})`);
-            } else {
-              message.error(msg);
-            }
-          },
+      },
+    });
+  }, []);
+
+  useEffect(() => {
+    vditorRef.current = new Vditor("vditor", {
+      height: 600,
+      cache: {
+        id: props.id,
+        enable: false,
+      },
+      toolbar: [...toolbar, "|", submitTool],
+      value: props.defaultValue ?? "",
+      hint: { delay: 200, emoji },
+      counter: { enable: true },
+      preview: { actions: ["desktop", "mobile"] },
+      after: () => console.log("[info] vditor init success..."),
+      upload: {
+        accept: "image/*",
+        url: "/api/vod/oss/image/upload",
+        multiple: false,
+        success(_, res) {
+          const { code, data, msg } = JSON.parse(res);
+          if (code === 10000) {
+            message.success("上传成功");
+            const { name, url } = data;
+            vditorRef.current?.insertValue(`![${name}](${url})`);
+          } else {
+            message.error(msg);
+          }
         },
-      });
+      },
+    });
   }, [props.defaultValue]);
 
   return (
diff --git a/apps/web/src/view/Course/components/Timeline/index.tsx b/apps/web/src/view/Course/components/Timeline/index.tsx
index c68e963..34a46c0 100644
--- a/apps/web/src/view/Course/components/Timeline/index.tsx
+++ b/apps/web/src/view/Course/components/Timeline/index.tsx
@@ -80,7 +80,7 @@ function Timeline(props: IProps) {
   }, [cursorStatic.top]);
 
   useEffect(() => {
-    if (props.data && orbitRef.current) {
+    if (props.data.length > 0 && orbitRef.current) {
       setTimelineData(filterYearOnce(props.data));
       // 全部的月份数数量平均划分
       const avg = orbitRef.current.clientHeight / props.data.length;
@@ -90,7 +90,7 @@ function Timeline(props: IProps) {
 
   useEffect(() => {
     window.addEventListener("resize", () => {
-      if (props.data && orbitRef.current) {
+      if (props.data.length > 0 && orbitRef.current) {
         setTimelineData(filterYearOnce(props.data));
         // 全部的月份数数量平均划分
         const avg = orbitRef.current.clientHeight / props.data.length;
@@ -98,7 +98,7 @@ function Timeline(props: IProps) {
       }
     });
     return () => window.removeEventListener("resize", () => {});
-  }, []);
+  }, [props.data]);
 
   return (
     <div
diff --git a/apps/web/src/view/Course/index.tsx b/apps/web/src/view/Course/index.tsx
index 33d9674..13794ca 100644
--- a/apps/web/src/view/Course/index.tsx
+++ b/apps/web/src/view/Course/index.tsx
@@ -53,10 +53,13 @@ export default function Index() {
    */
   const onTimelineScroll = (p: IOnScrollParam) => {
     const { top, height } = p;
-    //左侧区域高度
-    const { scrollHeight, clientHeight } = thumbnailRef.current!;
-    scale.current = (scrollHeight - clientHeight) / height;
-    thumbnailRef.current!.scrollTop = top * scale.current;
+    if (thumbnailRef.current) {
+      //左侧区域高度
+      const { scrollHeight, clientHeight } = thumbnailRef.current;
+      if (scrollHeight === clientHeight) return;
+      scale.current = (scrollHeight - clientHeight) / height;
+      thumbnailRef.current!.scrollTop = top * scale.current;
+    }
   };
 
   /**