diff --git a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/process/BpmnProcessInstanceAbortDTO.java b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/process/BpmnProcessInstanceAbortDTO.java
index c1af47000..e6d25b4c1 100644
--- a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/process/BpmnProcessInstanceAbortDTO.java
+++ b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/process/BpmnProcessInstanceAbortDTO.java
@@ -36,6 +36,6 @@ public class BpmnProcessInstanceAbortDTO {
      */
     @ApiModelProperty(value = "中止原因")
     @NotBlank(message = "中止原因不能为空")
-    @Length(max = 15, message = "中止原因长度不能超过 15 个字符")
+    @Length(max = 100, message = "中止原因长度不能超过 100 个字符")
     private String reason;
 }