历史筹款总金额，判空处理

donate-service/src/main/resources/templates/index.ftl

@@ -754,7 +754,7 @@
                     </div>
                     <div class="bottom-item">
                         <div class="title"><span>历史捐款总额</span></div>
-                        <div class="count" style="margin-left: -14px;"><span class="totality">${totality?string(',###.00')!'0.00'}</span><span>元</span></div>
+                        <div class="count" style="margin-left: -14px;"><span class="totality"><#if totality?exists>${totality?string(',###.00')}<#else>0.00</#if></span><span>元</span></div>
                     </div>
                 </div>
             </div>