diff --git a/agents-flex-store/agents-flex-store-milvus/src/test/java/com/agentsflex/store/milvus/MilvusSearchWrapperTest.java b/agents-flex-store/agents-flex-store-milvus/src/test/java/com/agentsflex/store/milvus/MilvusSearchWrapperTest.java
new file mode 100644
index 0000000..e676ad8
--- /dev/null
+++ b/agents-flex-store/agents-flex-store-milvus/src/test/java/com/agentsflex/store/milvus/MilvusSearchWrapperTest.java
@@ -0,0 +1,36 @@
+package com.agentsflex.store.milvus;
+
+import com.agentsflex.core.store.SearchWrapper;
+import com.agentsflex.core.store.condition.Connector;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Arrays;
+
+public class MilvusSearchWrapperTest {
+
+    @Test
+    public void test01() {
+        SearchWrapper rw = new SearchWrapper();
+        rw.eq("akey", "avalue").eq(Connector.OR, "bkey", "bvalue").group(rw1 -> {
+            rw1.eq("ckey", "avalue").in(Connector.AND_NOT, "dkey", Arrays.asList("aa", "bb"));
+        }).eq("a", "b");
+
+        String expr = "akey == \"avalue\" OR bkey == \"bvalue\" AND (ckey == \"avalue\" AND NOT dkey IN [\"aa\",\"bb\"]) AND a == \"b\"";
+        Assert.assertEquals(expr, rw.toFilterExpression(MilvusExpressionAdaptor.DEFAULT));
+
+        System.out.println(rw.toFilterExpression());
+    }
+
+
+    @Test
+    public void test02() {
+        SearchWrapper rw = new SearchWrapper();
+        rw.eq("akey", "avalue").between(Connector.OR, "bkey", "1", "100").in("ckey", Arrays.asList("aa", "bb"));
+
+        String expr = "akey == \"avalue\" OR (bkey >= 1 && bkey <= 100) AND ckey IN [\"aa\",\"bb\"]";
+        Assert.assertEquals(expr, rw.toFilterExpression(MilvusExpressionAdaptor.DEFAULT));
+
+        System.out.println(rw.toFilterExpression());
+    }
+}