升级element-ui到最新版本2.15.6

@@ -21,8 +21,8 @@
         <druid.version>1.2.6</druid.version>
         <druid.version>1.2.6</druid.version>
         <bitwalker.version>1.21</bitwalker.version>
         <bitwalker.version>1.21</bitwalker.version>
         <swagger.version>3.0.0</swagger.version>
         <swagger.version>3.0.0</swagger.version>
-		<kaptcha.version>2.3.2</kaptcha.version>
-		<mybatis-spring-boot.version>2.1.4</mybatis-spring-boot.version>
+        <kaptcha.version>2.3.2</kaptcha.version>
+        <mybatis-spring-boot.version>2.1.4</mybatis-spring-boot.version>
         <pagehelper.boot.version>1.3.1</pagehelper.boot.version>
         <pagehelper.boot.version>1.3.1</pagehelper.boot.version>
         <fastjson.version>1.2.78</fastjson.version>
         <fastjson.version>1.2.78</fastjson.version>
         <oshi.version>5.8.0</oshi.version>
         <oshi.version>5.8.0</oshi.version>

@@ -41,7 +41,7 @@
     "clipboard": "2.0.6",
     "clipboard": "2.0.6",
     "core-js": "3.8.1",
     "core-js": "3.8.1",
     "echarts": "4.9.0",
     "echarts": "4.9.0",
-    "element-ui": "2.15.5",
+    "element-ui": "2.15.6",
     "file-saver": "2.0.5",
     "file-saver": "2.0.5",
     "fuse.js": "6.4.3",
     "fuse.js": "6.4.3",
     "highlight.js": "9.18.5",
     "highlight.js": "9.18.5",