Pull request #2174: 无JIRA任务 bugfix

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit 'd50c45349b407bc929e70805a19b5d815f14baa5':
  update

src/base/combination/combo.js

@@ -345,7 +345,8 @@
                     if (width > 500) {
                         maxW = 500;
                     } else if(width > maxW) {
-                        maxW = width;
+                        // 防止小数导致差那么一点
+                        maxW = width + 1;
                     }
                 }