diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3a3aed0d..076c28b78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -68,6 +68,7 @@
 
 ### v3.3.10 / 2020-07-xx
 
+* [593](https://github.com/Vanessa219/vditor/issues/593) IR 模式焦点离开时的渲染问题 `改进功能`
 * [604](https://github.com/Vanessa219/vditor/issues/604) 站外图片抓取请求的 Content-Type 是 text/plain `改进功能`
 * [597](https://github.com/Vanessa219/vditor/issues/597) one more backspace before delete lists `修复缺陷`
 * [599](https://github.com/Vanessa219/vditor/issues/599) Ordered list(minor bug) `修复缺陷`
diff --git a/src/ts/util/editorCommonEvent.ts b/src/ts/util/editorCommonEvent.ts
index 19b26f849..ef1332c3f 100644
--- a/src/ts/util/editorCommonEvent.ts
+++ b/src/ts/util/editorCommonEvent.ts
@@ -26,6 +26,12 @@ export const focusEvent = (vditor: IVditor, editorElement: HTMLElement) => {
 
 export const blurEvent = (vditor: IVditor, editorElement: HTMLElement) => {
     editorElement.addEventListener("blur", () => {
+        if (vditor.currentMode === "ir") {
+            const expandElement = vditor.ir.element.querySelector(".vditor-ir__node--expand");
+            if (expandElement) {
+                expandElement.classList.remove("vditor-ir__node--expand");
+            }
+        }
         if (vditor.options.blur) {
             vditor.options.blur(getMarkdown(vditor));
         }