diff --git a/compiler/main.js b/compiler/main.js
index d17eeda..186d084 100644
--- a/compiler/main.js
+++ b/compiler/main.js
@@ -65,6 +65,8 @@ function initProjectConfig(projectConfig) {
   projectConfig.cachePath = projectConfig.cachePath || process.env.cachePath ||
     path.resolve(__dirname, 'node_modules/.cache');
   projectConfig.aceSoPath = projectConfig.aceSoPath || process.env.aceSoPath;
+  projectConfig.outChangedFileList = (projectConfig.watchMode && projectConfig.watchMode.outChangedFileList) ?
+    projectConfig.watchMode.outChangedFileList : path.join(projectConfig.cachePath, 'changedFileList.json');
   projectConfig.xtsMode = /ets_loader_ark$/.test(__dirname);
 }
 
diff --git a/compiler/src/compile_info.ts b/compiler/src/compile_info.ts
index e912ea9..37632e1 100644
--- a/compiler/src/compile_info.ts
+++ b/compiler/src/compile_info.ts
@@ -223,6 +223,24 @@ export class ResultStates {
       }
     });
 
+    compiler.hooks.watchRun.tap('WatchRun', (comp) => {
+      if (process.env.watchMode && projectConfig.outChangedFileList && (comp.modifiedFiles || comp.removedFiles) &&
+        !(comp.modifiedFiles && [...comp.modifiedFiles].length === 1 && [...comp.modifiedFiles][0] == projectConfig.projectPath)) {
+        const filesObj = {
+          modifiedFiles: [...comp.modifiedFiles].filter((file) => {
+            return fs.statSync(file).isFile();
+          }),
+          removedFiles: [...comp.removedFiles]
+        };
+        if (fs.existsSync(path.dirname(projectConfig.outChangedFileList))) {
+          fs.writeFileSync(projectConfig.outChangedFileList, JSON.stringify(filesObj));
+        } else {
+          fs.mkdirSync(path.dirname(projectConfig.outChangedFileList));
+          fs.writeFileSync(projectConfig.outChangedFileList, JSON.stringify(filesObj));
+        }
+      }
+    })
+
     compiler.hooks.done.tap('Result States', (stats: Stats) => {
       if (projectConfig.isPreview && projectConfig.aceSoPath &&
         useOSFiles && useOSFiles.size > 0) {
diff --git a/compiler/src/gen_abc_plugin.ts b/compiler/src/gen_abc_plugin.ts
index b0af0f9..90c2234 100644
--- a/compiler/src/gen_abc_plugin.ts
+++ b/compiler/src/gen_abc_plugin.ts
@@ -180,7 +180,7 @@ export class GenAbcPlugin {
 
 function clearGlobalInfo() {
   // fix bug of multi trigger
-  if (!projectConfig.isPreview) {
+  if (!process.env.watchMode) {
     intermediateJsBundle = [];
     moduleInfos = [];
   }
@@ -494,7 +494,7 @@ function invokeCluterModuleToAbc(): void {
       if (count_ === totalWorkerNumber) {
         writeModuleHashJson();
         clearGlobalInfo();
-        if (projectConfig.isPreview) {
+        if (process.env.watchMode) {
           console.info(blue, 'COMPILE RESULT:SUCCESS ', reset);
         }
       }
@@ -628,7 +628,7 @@ function invokeWorkersToGenAbc(): void {
       if (count_ === workerNumber) {
         writeHashJson();
         clearGlobalInfo();
-        if (projectConfig.isPreview) {
+        if (process.env.watchMode) {
           console.info(red, 'COMPILE RESULT:SUCCESS ', reset);
         }
       }
@@ -733,7 +733,7 @@ function writeModuleHashJson(): void {
     return;
   }
   // fix bug of multi trigger
-  if (!projectConfig.isPreview || delayCount < 1) {
+  if (!process.env.watchMode || delayCount < 1) {
     fs.writeFileSync(hashFilePath, JSON.stringify(moduleHashJsonObject));
   }
 }
@@ -778,7 +778,7 @@ function filterIntermediateJsBundleByHashJson(buildPath: string, inputPaths: Fil
         if (jsonObject[input] === hashInputContentData && jsonObject[abcPath] === hashAbcContentData) {
           updateJsonObject[input] = hashInputContentData;
           updateJsonObject[abcPath] = hashAbcContentData;
-          if (!projectConfig.isPreview) {
+          if (!process.env.watchMode) {
             fs.unlinkSync(input);
           }
         } else {
@@ -806,7 +806,7 @@ function writeHashJson(): void {
     const hashAbcContentData: any = toHashData(abcPath);
     hashJsonObject[input] = hashInputContentData;
     hashJsonObject[abcPath] = hashAbcContentData;
-    if (!projectConfig.isPreview) {
+    if (!process.env.watchMode) {
       fs.unlinkSync(input);
     }
   }
@@ -815,7 +815,7 @@ function writeHashJson(): void {
     return;
   }
   // fix bug of multi trigger
-  if (!projectConfig.isPreview || delayCount < 1) {
+  if (!process.env.watchMode || delayCount < 1) {
     fs.writeFileSync(hashFilePath, JSON.stringify(hashJsonObject));
   }
 }
diff --git a/compiler/src/process_import.ts b/compiler/src/process_import.ts
index 7f4a930..ea32b4c 100644
--- a/compiler/src/process_import.ts
+++ b/compiler/src/process_import.ts
@@ -195,7 +195,7 @@ function visitAllNode(node: ts.Node, sourceFile: ts.SourceFile, defaultNameFromP
   if (ts.isExportDeclaration(node) && node.exportClause &&
     ts.isNamedExports(node.exportClause) && node.exportClause.elements) {
     node.exportClause.elements.forEach(item => {
-      if (projectConfig.isPreview) {
+      if (process.env.watchMode) {
         exportCollection.add((item.propertyName ? item.propertyName : item.name).escapedText.toString());
       }
       if (item.name && ts.isIdentifier(item.name)) {
@@ -225,7 +225,7 @@ function visitAllNode(node: ts.Node, sourceFile: ts.SourceFile, defaultNameFromP
   }
   if (ts.isExportDeclaration(node) && node.moduleSpecifier &&
     ts.isStringLiteral(node.moduleSpecifier)) {
-    if (projectConfig.isPreview && node.exportClause && ts.isNamedExports(node.exportClause) &&
+    if (process.env.watchMode && node.exportClause && ts.isNamedExports(node.exportClause) &&
       node.exportClause.elements) {
       node.exportClause.elements.forEach(item => {
         exportCollection.add((item.propertyName ? item.propertyName : item.name).escapedText.toString());
@@ -293,7 +293,7 @@ function collectSpecialFunctionNode(node: ts.FunctionDeclaration, asNameFromPare
 function isExportEntry(node: ts.ClassDeclaration, log: LogInfo[], entryCollection: Set<string>,
   exportCollection: Set<string>, defaultCollection: Set<string>, fileResolvePath: string,
   sourceFile: ts.SourceFile): void {
-  if (projectConfig.isPreview && node && node.decorators) {
+  if (process.env.watchMode && node && node.decorators) {
     let existExport: boolean = false;
     let existEntry: boolean = false;
     if (node.modifiers) {
diff --git a/compiler/webpack.config.js b/compiler/webpack.config.js
index 93dad6d..e11515a 100644
--- a/compiler/webpack.config.js
+++ b/compiler/webpack.config.js
@@ -198,6 +198,9 @@ function setProjectConfig(envArgs) {
   if (envArgs.cachePath) {
     projectConfig.cachePath = envArgs.cachePath;
   }
+  if (envArgs.watchMode) {
+    projectConfig.watchMode = envArgs.watchMode;
+  }
 }
 
 function setReleaseConfig(config) {