diff --git a/workflow-engine-elasticsearch/src/main/java/cn/axzo/workflow/es/model/ProcessInstanceDocument.java b/workflow-engine-elasticsearch/src/main/java/cn/axzo/workflow/es/model/ProcessInstanceDocument.java
index 627fa1758..cf49db62c 100644
--- a/workflow-engine-elasticsearch/src/main/java/cn/axzo/workflow/es/model/ProcessInstanceDocument.java
+++ b/workflow-engine-elasticsearch/src/main/java/cn/axzo/workflow/es/model/ProcessInstanceDocument.java
@@ -23,7 +23,7 @@ import static org.dromara.easyes.annotation.rely.Analyzer.IK_MAX_WORD;
  * @since 2024-09-25 20:32
  */
 @Data
-@Settings(settingsProvider = CustomIndexSettingProvider.class, replicasNum = 1, shardsNum = 3)
+@Settings(settingsProvider = CustomIndexSettingProvider.class, replicasNum = 1, shardsNum = 1)
 @IndexName(value = "process_instance_document", keepGlobalPrefix = true, refreshPolicy = RefreshPolicy.IMMEDIATE)
 @Join(nodes = {@Node(parentClass = ProcessInstanceDocument.class, parentAlias = "process_instance_document", childClasses = {ProcessTaskDocument.class}, childAliases = {"process_task_document"})})
 public class ProcessInstanceDocument {