table-layout 中的 setHeight异常处理，升级版本

examples/versions.json

-{"1.4.13":"1.4","2.0.11":"2.0","2.1.0":"2.1","2.2.2":"2.2","2.3.9":"2.3","2.4.11":"2.4","2.5.4":"2.5","2.6.3":"2.6","2.7.2":"2.7","2.8.2":"2.8","2.9.2":"2.9","2.10.1":"2.10","2.11.1":"2.11","2.12.0":"2.12","2.13.2":"2.13","2.14.1":"2.14","2.15.7686":"2.15"}
\ No newline at end of file
+{"1.4.13":"1.4","2.0.11":"2.0","2.1.0":"2.1","2.2.2":"2.2","2.3.9":"2.3","2.4.11":"2.4","2.5.4":"2.5","2.6.3":"2.6","2.7.2":"2.7","2.8.2":"2.8","2.9.2":"2.9","2.10.1":"2.10","2.11.1":"2.11","2.12.0":"2.12","2.13.2":"2.13","2.14.1":"2.14","2.15.7687":"2.15"}
\ No newline at end of file

package.json

 {
   "name": "element-ui",
-  "version": "2.15.7686",
+  "version": "2.15.7687",
   "description": "A Component Library for Vue.js.",
   "main": "lib/element-ui.common.js",
   "files": [

packages/table/src/table-layout.js

@@ -62,13 +62,14 @@ class TableLayout {
     this.height = value;
 
     if (!el && (value || value === 0)) return Vue.nextTick(() => this.setHeight(value, prop));
-
-    if (typeof value === 'number') {
-      el.style[prop] = value + 'px';
-      this.updateElsHeight();
-    } else if (typeof value === 'string') {
-      el.style[prop] = value;
-      this.updateElsHeight();
+    if (el && el.style) {
+      if (typeof value === 'number') {
+        el.style[prop] = value + 'px';
+        this.updateElsHeight();
+      } else if (typeof value === 'string') {
+        el.style[prop] = value;
+        this.updateElsHeight();
+      }
     }
   }
 

src/index.js

@@ -212,7 +212,7 @@ if (typeof window !== 'undefined' && window.Vue) {
 }
 
 export default {
-  version: '2.15.7686',
+  version: '2.15.7687',
   locale: locale.use,
   i18n: locale.i18n,
   install,