fix:优化文档

src/App.vue

@@ -216,7 +216,7 @@ export default {
           originalText,
           selectionInfo,
           "\n![img](",
-          `${url} '%${name}')\n`
+          `${url} '=600 #left')\n`
         );
         _this.text = newText;
         _this.$refs.mdUploadFile.value = "";

src/components/content/components/help-doc.vue

@@ -73,17 +73,17 @@ export default {
         },
         {
           title: "图片大小",
-          doc: "![alt](url '=100*200 ')",
+          doc: '![alt](url "=300x200")',
           icon: "tupian"
         },
         {
           title: "图片位置",
-          doc: "![alt](url '#left ')",
+          doc: '![alt](url "#left")',
           icon: "tupian"
         },
         {
           title: "图片名称",
-          doc: "![alt](url '%图片名称 ')",
+          doc: '![alt](url "%title")',
           icon: "tupian"
         },
         {