diff --git a/Partner-Api/src/main/java/work/slhaf/partner/api/agent/runtime/config/AgentConfigManager.java b/Partner-Api/src/main/java/work/slhaf/partner/api/agent/runtime/config/AgentConfigManager.java
index 123d729d..b894c0b9 100644
--- a/Partner-Api/src/main/java/work/slhaf/partner/api/agent/runtime/config/AgentConfigManager.java
+++ b/Partner-Api/src/main/java/work/slhaf/partner/api/agent/runtime/config/AgentConfigManager.java
@@ -16,7 +16,7 @@ import java.util.*;
 public abstract class AgentConfigManager {
 
     @Setter
-    public static AgentConfigManager INSTANCE = new FileAgentConfigManager();
+    public static AgentConfigManager INSTANCE;
     private static final String DEFAULT_KEY = "default";
 
     protected HashMap<String, ModelConfig> modelConfigMap;