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 a33b07527..6c119416e 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
@@ -75,7 +75,7 @@ public class CustomGetProcessInstanceVariablesToObjectCmd extends AbstractComman
 
     private final String processInstanceId;
     private final SimpleDateFormat sdf = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss");
-    private static final List<String> SUPPORTED_FORM_TYPES = Lists.newArrayList("input", "textarea", "image", "contacts", "amount");
+    private static final List<String> SUPPORTED_FORM_TYPES = Lists.newArrayList("input", "date", "textarea", "image", "contacts", "amount");
 
     public CustomGetProcessInstanceVariablesToObjectCmd(String processInstanceId) {
         this.processInstanceId = processInstanceId;