fix

src/tool/flexible.js

@@ -7,12 +7,11 @@ let flexible = (designWidth, maxWidth,minWidth) =>{
         var width = docEl.getBoundingClientRect().width;
         var height = docEl.getBoundingClientRect().height;
         maxWidth = maxWidth || 1920;
-        width > maxWidth && (width = maxWidth);
+		if(width/height>1.98) width = height * 1.98;
         width > maxWidth && (width = maxWidth);
         width < minWidth && (width = minWidth);
         var rem = width * 10 / designWidth;
 		docEl.style.fontSize = rem+'px'
-		// if(height / width > .5)return
         remStyle.innerHTML = 'html{font-size:' + rem + 'px;}';
     }
     // if (docEl.firstElementChild) {