fix 修复 params可能为null问题

疯狂的狮子Li

2025-01-22 aeaa33ebd3c6be4f15da6b72dd56c27637b7047e

 ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/service/WorkflowService.java

@@ -47,6 +47,13 @@
    void setVariable(Long instanceId, Map<String, Object> variable);

    /**
     * 获取流程变量
     *
     * @param instanceId 流程实例id
     */
    Map<String, Object> instanceVariable(Long instanceId);

    /**
     * 按照业务id查询流程实例id
     *
     * @param businessId 业务id