diff --git a/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/DictUtils.java b/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/DictUtils.java
index 838f9a085..ac90fb2de 100644
--- a/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/DictUtils.java
+++ b/headless/server/src/main/java/com/tencent/supersonic/headless/server/utils/DictUtils.java
@@ -431,6 +431,10 @@ public class DictUtils {
 
     private String generateDictDateFilter(DictItemResp dictItemResp) {
         ItemValueConfig config = dictItemResp.getConfig();
+        if (config == null) {
+            return "";
+        }
+
         if (!partitionedModel(dictItemResp.getModelId())) {
             return "";
         }