diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomGetProcessInstanceVariablesToObjectCmd.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomGetProcessInstanceVariablesToObjectCmd.java
index cc6bb5ef8..bfadf9559 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomGetProcessInstanceVariablesToObjectCmd.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomGetProcessInstanceVariablesToObjectCmd.java
@@ -15,6 +15,7 @@ import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.google.common.collect.Lists;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections4.ListUtils;
 import org.flowable.common.engine.api.FlowableObjectNotFoundException;
 import org.flowable.common.engine.impl.interceptor.CommandContext;
 import org.flowable.engine.HistoryService;
@@ -230,7 +231,7 @@ public class CustomGetProcessInstanceVariablesToObjectCmd extends AbstractComman
                                         && fieldValue.toString().startsWith("[")
                                         && fieldValue.toString().endsWith("]")) {
                                     List<String> selectedOptions = JSON.parseArray((String) fieldValue, String.class);
-                                    List<String> optionNames = optionField.getOptions().stream().filter(i -> selectedOptions.contains(i.getId())).map(Option::getName).collect(Collectors.toList());
+                                    List<String> optionNames = ListUtils.emptyIfNull(optionField.getOptions()).stream().filter(i -> selectedOptions.contains(i.getId())).map(Option::getName).collect(Collectors.toList());
                                     variables.add(VariableObjectDTO.builder()
                                             .key(field.getId())
                                             .desc(field.getName())
@@ -245,7 +246,7 @@ public class CustomGetProcessInstanceVariablesToObjectCmd extends AbstractComman
                             if (field instanceof OptionFormField) {
                                 OptionFormField optionField = (OptionFormField) field;
                                 if (StringUtils.hasText(fieldValue.toString())) {
-                                    List<String> optionNames = optionField.getOptions().stream().filter(i -> Objects.equals(fieldValue, i.getId())).map(Option::getName).collect(Collectors.toList());
+                                    List<String> optionNames = ListUtils.emptyIfNull(optionField.getOptions()).stream().filter(i -> Objects.equals(fieldValue, i.getId())).map(Option::getName).collect(Collectors.toList());
                                     variables.add(VariableObjectDTO.builder()
                                             .key(field.getId())
                                             .desc(field.getName())