REQ-2924-修复加签日志文案多余"、"符号问题

workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomCountersignUserTaskCmd.java

@@ -149,7 +149,7 @@ public class CustomCountersignUserTaskCmd extends AbstractCommand<Void> implemen
         //加签人员数量显示指定个数
         for (int i = 0; i < end; i++) {
             message.append(targetTaskAssigneeList.get(i).getAssignerName());
-            if (i < targetTaskAssigneeList.size() - 1) {
+            if (i < end - 1) {
                 message.append("、");
             }
         }