diff --git a/Bench4Q-Agent/ScenarioParameters/3da766c9-5801-4caa-a815-b8974e895a79/param1.txt b/Bench4Q-Agent/ScenarioParameters/3da766c9-5801-4caa-a815-b8974e895a79/param1.txt
new file mode 100644
index 00000000..748dc5f7
--- /dev/null
+++ b/Bench4Q-Agent/ScenarioParameters/3da766c9-5801-4caa-a815-b8974e895a79/param1.txt
@@ -0,0 +1 @@
+row1;10;11~row2;20;21~row3,30,31~
\ No newline at end of file
diff --git a/Bench4Q-Agent/ScenarioParameters/8895ad81-4ac9-4d73-a3d8-068905f5720f/param1.txt b/Bench4Q-Agent/ScenarioParameters/8895ad81-4ac9-4d73-a3d8-068905f5720f/param1.txt
new file mode 100644
index 00000000..748dc5f7
--- /dev/null
+++ b/Bench4Q-Agent/ScenarioParameters/8895ad81-4ac9-4d73-a3d8-068905f5720f/param1.txt
@@ -0,0 +1 @@
+row1;10;11~row2;20;21~row3,30,31~
\ No newline at end of file
diff --git a/Bench4Q-Agent/ScenarioParameters/b2870112-ebc0-4d58-bd87-601a071fe252/param1.txt b/Bench4Q-Agent/ScenarioParameters/b2870112-ebc0-4d58-bd87-601a071fe252/param1.txt
new file mode 100644
index 00000000..748dc5f7
--- /dev/null
+++ b/Bench4Q-Agent/ScenarioParameters/b2870112-ebc0-4d58-bd87-601a071fe252/param1.txt
@@ -0,0 +1 @@
+row1;10;11~row2;20;21~row3,30,31~
\ No newline at end of file
diff --git a/Bench4Q-Agent/ScenarioParameters/fae336cb-46c9-486e-81fd-2428dfe61588/param1.txt b/Bench4Q-Agent/ScenarioParameters/fae336cb-46c9-486e-81fd-2428dfe61588/param1.txt
new file mode 100644
index 00000000..748dc5f7
--- /dev/null
+++ b/Bench4Q-Agent/ScenarioParameters/fae336cb-46c9-486e-81fd-2428dfe61588/param1.txt
@@ -0,0 +1 @@
+row1;10;11~row2;20;21~row3,30,31~
\ No newline at end of file
diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/api/ParameterizationController.java b/Bench4Q-Agent/src/main/java/org/bench4q/agent/api/ParameterizationController.java
new file mode 100644
index 00000000..bbc9aec4
--- /dev/null
+++ b/Bench4Q-Agent/src/main/java/org/bench4q/agent/api/ParameterizationController.java
@@ -0,0 +1,8 @@
+package org.bench4q.agent.api;
+
+import org.springframework.stereotype.Controller;
+
+@Controller
+public class ParameterizationController {
+
+}
diff --git a/Bench4Q-Agent/src/main/java/org/bench4q/agent/parameterization/impl/Para_File.java b/Bench4Q-Agent/src/main/java/org/bench4q/agent/parameterization/impl/Para_File.java
deleted file mode 100644
index aaca0b6d..00000000
--- a/Bench4Q-Agent/src/main/java/org/bench4q/agent/parameterization/impl/Para_File.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package org.bench4q.agent.parameterization.impl;
-
-import java.io.BufferedReader;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.UUID;
-
-public class Para_File {
-
-	@SuppressWarnings("unused")
-	private Map<String, BufferedReader> readBuffer = new HashMap<String, BufferedReader>();
-
-	public void getFromFile(UUID id, String fileName, String column,
-			String firstData, String byNumber) {
-
-	}
-
-}
diff --git a/Bench4Q-Agent/src/test/java/org/bench4q/agent/test/parameterization/Test_InstanceCotroller.java b/Bench4Q-Agent/src/test/java/org/bench4q/agent/test/parameterization/Test_InstanceCotroller.java
index d499bc94..6a6b6f7c 100644
--- a/Bench4Q-Agent/src/test/java/org/bench4q/agent/test/parameterization/Test_InstanceCotroller.java
+++ b/Bench4Q-Agent/src/test/java/org/bench4q/agent/test/parameterization/Test_InstanceCotroller.java
@@ -73,13 +73,17 @@ public class Test_InstanceCotroller {
 		ic.doCleanUp();
 	}
 
+	@Test
+	public void testGetParamWithUpdateOnEachOccurrence() {
+
+	}
+
 	@Test
 	public void testGetParameter() throws Exception {
 		UUID testId = UUID.randomUUID();
 		createParamFileFor(new Para_Table(testId)
 				.getParamFileFullPath("param1"));
-		VUserContext paracCoor = new VUserContext(
-				new ParametersFactory(testId));
+		VUserContext paracCoor = new VUserContext(new ParametersFactory(testId));
 		ParamFormatParser paramFormatParser = ParamFormatParser
 				.parseInputParameter(Test_CASE1);
 		String result = (String) TestHelper.invokePrivate(paracCoor,
@@ -94,8 +98,7 @@ public class Test_InstanceCotroller {
 		UUID testId = UUID.randomUUID();
 		createParamFileFor(new Para_Table(testId)
 				.getParamFileFullPath("param1"));
-		VUserContext paracCoor = new VUserContext(
-				new ParametersFactory(testId));
+		VUserContext paracCoor = new VUserContext(new ParametersFactory(testId));
 		ParamFormatParser paramFormatParser = ParamFormatParser
 				.parseInputParameter(Test_CASE1);
 		String result = (String) TestHelper.invokePrivate(