diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9196c20f..42e81f97b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@
 
 ### v3.0.6 / 2020-03-xx
 
+* [240](https://github.com/Vanessa219/vditor/issues/240) multiple markdown at one line `修复缺陷`
 * [241](https://github.com/Vanessa219/vditor/issues/241) When editing the heading, not converted using the cursor key `修复缺陷`
 * [242](https://github.com/Vanessa219/vditor/issues/242) combined lists "+" and "-" `修复缺陷`
 * [243](https://github.com/Vanessa219/vditor/issues/243) can not delete the table with "backspace" `修复缺陷`
diff --git a/src/ts/ir/input.ts b/src/ts/ir/input.ts
index fa0178588..a9abe9cb7 100644
--- a/src/ts/ir/input.ts
+++ b/src/ts/ir/input.ts
@@ -5,14 +5,14 @@ import {getSelectPosition, setRangeByWbr} from "../util/selection";
 import {processAfterRender, processCodeRender} from "./process";
 
 export const input = (vditor: IVditor, range: Range) => {
-    Array.from(vditor.ir.element.querySelectorAll(".vditor-ir__node--expand")).forEach((item) => {
-        item.classList.remove("vditor-ir__node--expand");
-    });
-
     let blockElement = hasClosestBlock(range.startContainer);
-
+    let afterSpace = "";
     // 前后可以输入空格，但是 insert html 中有换行需忽略（使用 wbr 标识）
     if (blockElement && !blockElement.querySelector("wbr")) {
+        if (isHrMD(blockElement.innerHTML) || isHeadingMD(blockElement.innerHTML)) {
+            return;
+        }
+
         // 前后空格处理
         const startOffset = getSelectPosition(blockElement, range).start;
 
@@ -42,14 +42,21 @@ export const input = (vditor: IVditor, range: Range) => {
             }
         }
 
-        if (startSpace || endSpace || isHrMD(blockElement.innerHTML) || isHeadingMD(blockElement.innerHTML)) {
-            if (blockElement.classList.contains("vditor-ir__node")) {
-                blockElement.classList.add("vditor-ir__node--expand");
+        if (startSpace || endSpace) {
+            const markerElement = hasClosestByClassName(range.startContainer, "vditor-ir__marker");
+            if (markerElement && endSpace) {
+                // inline marker space https://github.com/Vanessa219/vditor/issues/239
+                afterSpace = " ";
+            } else {
+                return;
             }
-            return;
         }
     }
 
+    Array.from(vditor.ir.element.querySelectorAll(".vditor-ir__node--expand")).forEach((item) => {
+        item.classList.remove("vditor-ir__node--expand");
+    });
+
     if (!blockElement) {
         // 使用顶级块元素，应使用 innerHTML
         blockElement = vditor.ir.element;
@@ -114,7 +121,7 @@ export const input = (vditor: IVditor, range: Range) => {
     }
 
     log("SpinVditorIRDOM", html, "argument", vditor.options.debugger);
-    html = vditor.lute.SpinVditorIRDOM(html);
+    html = vditor.lute.SpinVditorIRDOM(html) + afterSpace;
     log("SpinVditorIRDOM", html, "result", vditor.options.debugger);
 
     if (isIRElement) {
diff --git a/src/ts/util/fixBrowserBehavior.ts b/src/ts/util/fixBrowserBehavior.ts
index fbeadc9fd..5154e9ee2 100644
--- a/src/ts/util/fixBrowserBehavior.ts
+++ b/src/ts/util/fixBrowserBehavior.ts
@@ -36,7 +36,7 @@ const goPreviousCell = (cellElement: HTMLElement, range: Range, isSelected = tru
             range.collapse(false);
         }
     }
-    return previousElement
+    return previousElement;
 };
 
 export const listToggle = (vditor: IVditor, range: Range, type: string, cancel = true) => {
@@ -541,7 +541,7 @@ export const fixTable = (vditor: IVditor, event: KeyboardEvent, range: Range) =>
             && range.startOffset === 0 && range.toString() === "") {
             const previousCellElement = goPreviousCell(cellElement, range, false);
             if (!previousCellElement && tableElement) {
-                tableElement.outerHTML = `<p data-block="0"><wbr>${tableElement.textContent}</p>`
+                tableElement.outerHTML = `<p data-block="0"><wbr>${tableElement.textContent}</p>`;
                 setRangeByWbr(vditor[vditor.currentMode].element, range);
                 execAfterRender(vditor);
             }