fix:掌柜科技修改为掌柜核心系统

src/views/NavBar/NavBar.vue

@@ -25,7 +25,7 @@
                 src="@/assets/image/new_logo.png"
                 style="width: 30px; height: 30px; margin-right: 5px"
               />
-              <span>{{ appName }}</span>
+              <span>{{ "掌柜核心系统" }}</span>
             </div>
           </el-dropdown-item>
           <el-dropdown-item v-if="showConfig">