diff --git a/core/Page.js b/core/Page.js
index 6a673cd..cfe5093 100644
--- a/core/Page.js
+++ b/core/Page.js
@@ -414,6 +414,8 @@ export default class Page extends EventEmitter {
      * @param {Error} err - 错误对象
      */
     #emitError(err) {
+        if(err.message.indexOf("Another frame is pending") != -1)
+            err = new Error("Page rendering has been interrupted");
         if (this.eventNames().indexOf("error") != -1)
             this.emit("error", err);
         else
diff --git a/core/Synthesizer.js b/core/Synthesizer.js
index 0189c24..5c2dcc2 100644
--- a/core/Synthesizer.js
+++ b/core/Synthesizer.js
@@ -319,7 +319,7 @@ export default class Synthesizer extends EventEmitter {
         if (value > 100)
             value = 100;
         this.progress = Math.floor(value * 1000) / 1000;
-        if (this.showProgress) {
+        if (this._cliProgress) {
             if (!this._cliProgress.started) {
                 if (this._cliProgress instanceof cliProgress.MultiBar)
                     this._cliProgress = this._cliProgress.create(this._targetFrameCount, 0);