diff --git a/src/main/java/com/loafle/overflow/proxy/db/DBProxy.java b/src/main/java/com/loafle/overflow/proxy/db/DBProxy.java
index e6921dc..353889b 100644
--- a/src/main/java/com/loafle/overflow/proxy/db/DBProxy.java
+++ b/src/main/java/com/loafle/overflow/proxy/db/DBProxy.java
@@ -13,7 +13,9 @@ import com.loafle.overflow.module.probe.dao.ProbeTaskDAO;
 import com.loafle.overflow.module.sensor.dao.SensorDAO;
 import com.loafle.overflow.module.sensor.dao.SensorItemDAO;
 import com.loafle.overflow.module.target.dao.TargetDAO;
+import com.loafle.overflow.module.target.service.TargetService;
 import io.grpc.ServerBuilder;
+import org.codehaus.jackson.map.DeserializationConfig;
 import org.codehaus.jackson.map.ObjectMapper;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
@@ -37,9 +39,11 @@ public class DBProxy {
     private io.grpc.Server server;
 
     private static Map<String, JpaRepository> daoMap = null;
+    private static Map<String, Object> serviceMap = null;
 
     public DBProxy() {
         daoMap =  new ConcurrentHashMap();
+        serviceMap =  new ConcurrentHashMap();
 
         ApplicationContext ctx = new AnnotationConfigApplicationContext("com.loafle.overflow");
 
@@ -60,6 +64,9 @@ public class DBProxy {
         daoMap.put("infraOSDaemon", ctx.getBean(InfraOSDaemonDAO.class));
         daoMap.put("infraOSPort", ctx.getBean(InfraOSPortDAO.class));
         daoMap.put("infraService", ctx.getBean(InfraServiceDAO.class));
+
+
+        serviceMap.put("serviceTarget", ctx.getBean(TargetService.class));
     }
 
     public void start(int port) throws IOException {
@@ -91,29 +98,35 @@ public class DBProxy {
                          io.grpc.stub.StreamObserver<com.loafle.overflow.db.api.DBOutput> responseObserver) {
             String targetDAO = request.getTargetDao();
 
-            JpaRepository dao = daoMap.get(targetDAO);
+            Object obj = null;
 
-            if(dao != null) {
-                try {
-
-                    String jsonResult = doQuery(request, dao);
-
-                    DBOutput reply = DBOutput.newBuilder()
-                        .setResult(jsonResult)
-                        .build();
-                    responseObserver.onNext(reply);
-                    responseObserver.onCompleted();
-                }catch(Exception e) {
-                    e.printStackTrace();
-                    responseObserver.onError(e);
-                }
-
-            }else {
-                responseObserver.onError(new Exception("Not assigned DAO :" + targetDAO));
+            obj =daoMap.get(targetDAO);
+            if(obj == null) {
+                obj = serviceMap.get(targetDAO);
             }
+            if(obj == null) {
+                responseObserver.onError(new Exception("Not assigned DAO :" + targetDAO));
+                return;
+            }
+
+            try {
+
+                String jsonResult = doQuery(request, obj);
+
+                DBOutput reply = DBOutput.newBuilder()
+                    .setResult(jsonResult)
+                    .build();
+                responseObserver.onNext(reply);
+                responseObserver.onCompleted();
+            }catch(Exception e) {
+                e.printStackTrace();
+                responseObserver.onError(e);
+            }
+
+
         }
 
-        private String doQuery(DBInput request, JpaRepository dao) throws Exception {
+        private String doQuery(DBInput request, Object dao) throws Exception {
 
             String methodName = request.getMethod();
             Map<String, String> params = request.getParamsMap();
@@ -133,10 +146,30 @@ public class DBProxy {
             List<Object> valueList = new ArrayList<Object>();
             for( String className : params.keySet() ){
                 //className - model name(with package) , value - model JsonString
-                Class<?> cls = Class.forName(className);
-                Object obj = mapper.readValue((String)params.get(className), cls);
-                valueList.add(obj);
-                paramTypes.add(cls);
+
+                Object obj = null;
+                if(className.contains("|")) {
+                    int idx = className.indexOf("|");
+                    String firstClassName = className.substring(0, idx);
+                    String lastClassName = className.substring(idx+1);
+                    Class firstCls = Class.forName(firstClassName);
+                    Class<?> lastCls = Class.forName(lastClassName);
+                    mapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+                    obj = mapper.readValue((String)params.get(className), mapper.getTypeFactory().constructCollectionType(firstCls, lastCls));
+
+                    //FIXME:random sort.. T__T
+                    paramTypes.add(0,firstCls);
+                    valueList.add(0, obj);
+
+                } else {
+                    Class<?> cls = Class.forName(className);
+                    obj = mapper.readValue((String)params.get(className), cls);
+                    paramTypes.add(cls);
+                    valueList.add(obj);
+                }
+
+
+
             }
 
 
diff --git a/src/test/java/com/loafle/overflow/module/target/service/TargetServiceTest.java b/src/test/java/com/loafle/overflow/module/target/service/TargetServiceTest.java
index ee52065..bcb238f 100644
--- a/src/test/java/com/loafle/overflow/module/target/service/TargetServiceTest.java
+++ b/src/test/java/com/loafle/overflow/module/target/service/TargetServiceTest.java
@@ -84,4 +84,16 @@ public class TargetServiceTest {
 
     }
 
+    @Test
+    public void testString() {
+
+
+        String str = "list|model";
+
+        if(str.contains("|")) {
+            System.out.println(str);
+        }
+
+    }
+
 }
\ No newline at end of file
diff --git a/src/test/java/com/loafle/overflow/proxy/db/MethodSeekerTest.java b/src/test/java/com/loafle/overflow/proxy/db/MethodSeekerTest.java
index 932bc46..72b7222 100644
--- a/src/test/java/com/loafle/overflow/proxy/db/MethodSeekerTest.java
+++ b/src/test/java/com/loafle/overflow/proxy/db/MethodSeekerTest.java
@@ -4,6 +4,7 @@ import com.loafle.overflow.AppConfig;
 import com.loafle.overflow.JdbcConfiguration;
 import com.loafle.overflow.module.domain.model.Domain;
 import com.loafle.overflow.module.noauthprobe.dao.NoAuthProbeDAO;
+import com.loafle.overflow.module.target.service.TargetService;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -25,6 +26,8 @@ public class MethodSeekerTest {
 
     @Autowired
     private NoAuthProbeDAO noAuthProbeDAO;
+    @Autowired
+    private TargetService targetService;
 
     @Test
     public void getMethod() throws Exception {
@@ -40,12 +43,12 @@ public class MethodSeekerTest {
     @Test
     public void RelfetMehotds() {
 
-        JpaRepository jpa = this.noAuthProbeDAO;
+        Object o = this.targetService;
 
-        Method[] mArray = jpa.getClass().getMethods();
+        Method[] mArray = o.getClass().getMethods();
 
         for (Method m : mArray) {
-            if( m.getName().equals("findOne")) {
+            if( m.getName().equals("saveAllTarget")) {
 
                 System.out.println(m.getParameterTypes());
             }