diff --git a/assets/index.js b/assets/index.js
index 766b68d..e3af7a0 100644
--- a/assets/index.js
+++ b/assets/index.js
@@ -288,7 +288,7 @@ I18N['zh-cn'] = {
             $('#screen').css({
                 width: this.zoomSize( this.current.width ),
                 height: this.zoomSize( this.current.height ),
-                background: '#FFF url(' + imageData + ') no-repeat',
+                background: '#FFF url("' + imageData + '") no-repeat',
                 backgroundSize: this.zoomSize( this.current.width ) + 'px ' + this.zoomSize( this.current.height ) + 'px'
             });
 
@@ -1469,4 +1469,4 @@ I18N['zh-cn'] = {
     };
     init.prototype = SMApp.fn;
     window.SMApp = SMApp;
-})(window);
\ No newline at end of file
+})(window);
diff --git a/src/parseText.v50.js b/src/parseText.v50.js
index 8b04f00..6701d59 100644
--- a/src/parseText.v50.js
+++ b/src/parseText.v50.js
@@ -16,11 +16,22 @@ class TextStyle {
   constructor (layer) {
     this.layer = layer
     this.textStyle = layer.style.textStyle
+    if (this.textStyle==undefined){
+	    //console.log(layer)
+	    return 
+    }
+    if ( layer.style.textStyle.encodedAttributes == undefined){
+      this.encodeAttr ={}
+    }else{
+      this.encodeAttr = layer.style.textStyle.encodedAttributes
+    }
+}
 
-    this.encodeAttr = layer.style.textStyle.encodedAttributes
-  }
 
   _getStyle () {
+    if (this.textStyle==undefined){
+	      return {}
+    }
     const fontSize = this.encodeAttr.MSAttributedStringFontAttribute.attributes.size
     const fontFace = this.encodeAttr.MSAttributedStringFontAttribute.attributes.name
     const paragraphStyle = this.encodeAttr.paragraphStyle || {}