fix 修复 params可能为null问题

疯狂的狮子Li

2025-01-22 aeaa33ebd3c6be4f15da6b72dd56c27637b7047e

 ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/FlwInstanceServiceImpl.java

@@ -344,7 +344,7 @@
     * @param instanceId 实例id
     */
    @Override
    public Map<String, Object> instanceVariable(String instanceId) {
    public Map<String, Object> instanceVariable(Long instanceId) {
        Map<String, Object> map = new HashMap<>();
        FlowInstance flowInstance = flowInstanceMapper.selectById(instanceId);
        Map<String, Object> variableMap = flowInstance.getVariableMap();