diff --git a/src/manager/PL/index.ts b/src/manager/PL/index.ts
index ceb6812..b5f00da 100644
--- a/src/manager/PL/index.ts
+++ b/src/manager/PL/index.ts
@@ -43,15 +43,10 @@ class PlManage extends BaseManage {
         }       
     }
 
-
     public launch() {
-        if (!this.config.terminal) {
-            this.config.terminal = this.createTerminal('Hardware');
-            this.config.terminal.show(true);
-            this.config.ope.launch(this.config);
-        } else {
-            vscode.window.showInformationMessage('Hardware Terminal is launched !');
-        }
+        this.config.terminal = this.createTerminal('Hardware');
+        this.config.terminal.show(true);
+        this.config.ope.launch(this.config);
     }
 
     public simulate() {
@@ -117,7 +112,7 @@ class PlManage extends BaseManage {
     }
 
 
-    setSrcTop(item: ModuleDataItem) {        
+    public setSrcTop(item: ModuleDataItem) {        
         this.config.ope.setSrcTop(item.name, this.config);
         const type = moduleTreeProvider.getItemType(item);
         if (type === HdlFileType.Src) {
@@ -126,7 +121,7 @@ class PlManage extends BaseManage {
         }
     }
 
-    setSimTop(item: ModuleDataItem) {
+    public setSimTop(item: ModuleDataItem) {
         this.config.ope.setSimTop(item.name, this.config);
         const type = moduleTreeProvider.getItemType(item);
         if (type === HdlFileType.Sim) {
diff --git a/src/monitor/event.ts b/src/monitor/event.ts
index 1c00c80..52ab863 100644
--- a/src/monitor/event.ts
+++ b/src/monitor/event.ts
@@ -174,6 +174,7 @@ class PpyAction extends BaseAction {
         console.log('PpyAction change');
         assert.equal(hdlPath.toSlash(path), opeParam.propertyJsonPath);
         await this.updateProperty(Event.Change, m);
+        console.log(hdlParam);   
     }
 
     // get path set from opeParam that used to tell if need to remake HdlMonitor
@@ -203,7 +204,6 @@ class PpyAction extends BaseAction {
         }
 
         opeParam.mergePrjInfo(rawPrjInfo);
-        await this.updatePL(originalHdlFiles);
         await prjManage.refreshPrjFolder();
         
         const currentPathSet = this.getImportantPathSet();
@@ -219,49 +219,63 @@ class PpyAction extends BaseAction {
         } else {
             // update hdl monitor
             const options: vscode.ProgressOptions = { location: vscode.ProgressLocation.Notification, title: 'modify the project' };
-            await vscode.window.withProgress(options, async () => await this.refreshHdlMonitor(m));
+            await vscode.window.withProgress(options, async () => await this.refreshHdlMonitor(m, originalHdlFiles));
         }
-        refreshArchTree();    
+
+        refreshArchTree();
     }
 
-    public async refreshHdlMonitor(m: HdlMonitor) {           
+    public diffNewOld(newFiles: AbsPath[], oldFiles: AbsPath[]) {
+        const uncheckHdlFileSet = new Set<AbsPath>(oldFiles);
+        const addFiles: AbsPath[] = [];
+        const delFiles: AbsPath[] = [];
+        
+        for (const path of newFiles) {
+            if (!uncheckHdlFileSet.has(path)) {
+                addFiles.push(path);
+            } else {
+                uncheckHdlFileSet.delete(path);
+            }
+        }
+
+        for (const path of uncheckHdlFileSet) {
+            hdlParam.deleteHdlFile(path);
+            delFiles.push(path);
+        }
+        return {
+            addFiles, delFiles
+        };
+    }
+
+    public async refreshHdlMonitor(m: HdlMonitor, originalHdlFiles: AbsPath[]) {           
         m.remakeHdlMonitor();
-    }
-
-    public async updatePL(oldFiles: AbsPath[]) {
-        // current only support xilinx
-        const options: vscode.ProgressOptions = { location: vscode.ProgressLocation.Notification };
-        if (opeParam.prjInfo.toolChain === ToolChainType.Xilinx) {
-            options.title = 'update Xilinx PL';
-            await vscode.window.withProgress(options, async () => await this.updateXilinxPL(oldFiles));
-        } 
-    }
-
-    public async updateXilinxPL(oldFiles: AbsPath[]) {
         const newFiles = await prjManage.getPrjHardwareFiles();
+        const { addFiles, delFiles } = this.diffNewOld(newFiles, originalHdlFiles);
+
+        const options: vscode.ProgressOptions = { location: vscode.ProgressLocation.Notification };
+        options.title = 'update HdlParam';
+        await vscode.window.withProgress(options, async () => await this.updateHdlParam(addFiles, delFiles));
+
+        if (opeParam.prjInfo.toolChain === ToolChainType.Xilinx) {
+            options.title = 'update PL';
+            await vscode.window.withProgress(options, async () => await this.updatePL(addFiles, delFiles));
+        }
+    }
+
+    public async updateHdlParam(addFiles: AbsPath[], delFiles: AbsPath[]) {
+        for (const path of addFiles) {
+            await hdlParam.addHdlFile(path);
+        }
+        for (const path of delFiles) {
+            hdlParam.deleteHdlFile(path);
+        }
+    }
+
+    public async updatePL(addFiles: AbsPath[], delFiles: AbsPath[]) {
+        // current only support xilinx
         if (prjManage.pl) {
-            const uncheckHdlFileSet = new Set<AbsPath>(oldFiles);
-            const addFiles: AbsPath[] = [];
-            const delFiles: AbsPath[] = [];
-            
-            for (const path of newFiles) {
-                if (!uncheckHdlFileSet.has(path)) {
-                    await hdlParam.addHdlPath(path);
-                    addFiles.push(path);
-                } else {
-                    uncheckHdlFileSet.delete(path);
-                }
-            }
-            const vivadoAddPromise = prjManage.pl.addFiles(addFiles);
-    
-            for (const path of uncheckHdlFileSet) {
-                hdlParam.deleteHdlFile(path);
-                delFiles.push(path);
-            }
-            const vivadoDelPromise = prjManage.pl.delFiles(delFiles);
-            
-            await vivadoAddPromise;
-            await vivadoDelPromise;
+            await prjManage.pl.addFiles(addFiles);
+            await prjManage.pl.delFiles(delFiles);
         } else {
             MainOutput.report('PL is not registered', ReportType.Warn);
         }
diff --git a/src/test/.vscode/property.json b/src/test/.vscode/property.json
index 7dc2beb..71cfab5 100644
--- a/src/test/.vscode/property.json
+++ b/src/test/.vscode/property.json
@@ -4,7 +4,7 @@
 		"PL": "template"
 	},
 	"soc": {
-		"core": "none"
+		"core": "cortexM3"
 	},
 	"enableShowLog": false,
 	"device": "none"
diff --git a/src/test/user/src/Cordic.v b/src/test/user/Hardware/src/Cordic.v
similarity index 100%
rename from src/test/user/src/Cordic.v
rename to src/test/user/Hardware/src/Cordic.v
diff --git a/src/test/user/src/fsm_test.v b/src/test/user/Hardware/src/fsm_test.v
similarity index 100%
rename from src/test/user/src/fsm_test.v
rename to src/test/user/Hardware/src/fsm_test.v
diff --git a/src/test/user/src/hello.v b/src/test/user/Hardware/src/hello.v
similarity index 100%
rename from src/test/user/src/hello.v
rename to src/test/user/Hardware/src/hello.v
diff --git a/src/test/user/src/hello.vhd b/src/test/user/Hardware/src/hello.vhd
similarity index 100%
rename from src/test/user/src/hello.vhd
rename to src/test/user/Hardware/src/hello.vhd
diff --git a/src/test/user/src/netlist_test.v b/src/test/user/Hardware/src/netlist_test.v
similarity index 100%
rename from src/test/user/src/netlist_test.v
rename to src/test/user/Hardware/src/netlist_test.v