diff --git a/ace-loader/main.product.js b/ace-loader/main.product.js
index ee38c41..aeaae3d 100644
--- a/ace-loader/main.product.js
+++ b/ace-loader/main.product.js
@@ -177,6 +177,36 @@ function filterWorker(workerPath) {
   return /\.(ts|js)$/.test(workerPath);
 }
 
+function compareCache(cachePath) {
+  const entryFile = path.join(cachePath, 'entry.json');
+  const cssFile = process.env.watchCSSFiles;
+
+  let files = [];
+  if (fs.existsSync(cssFile)) {
+    const cssObject = JSON.parse(fs.readFileSync(cssFile));
+    if (cssObject['clear'] === true) {
+      deleteFolderRecursive(cachePath);
+      return;
+    }
+    Object.keys(cssObject).forEach(key => {
+      if (key !== 'entry') {
+        files.push(key);
+      }
+    })
+  }
+
+  if (fs.existsSync(entryFile)) {
+    files = files.concat(JSON.parse(fs.readFileSync(entryFile)));
+  }
+
+  for(let file of files) {
+    if (!fs.existsSync(file)) {
+      deleteFolderRecursive(cachePath);
+      break;
+    }
+  }
+}
+
 module.exports = {
   deleteFolderRecursive: deleteFolderRecursive,
   readManifest: readManifest,
@@ -186,4 +216,5 @@ module.exports = {
   checkMultiResourceBuild: checkMultiResourceBuild,
   multiResourceBuild: multiResourceBuild,
   readWorkerFile: readWorkerFile,
+  compareCache: compareCache
 };
\ No newline at end of file
diff --git a/ace-loader/src/compile-plugin.js b/ace-loader/src/compile-plugin.js
index 6940dfb..45d066e 100644
--- a/ace-loader/src/compile-plugin.js
+++ b/ace-loader/src/compile-plugin.js
@@ -55,9 +55,15 @@ class ResultStates {
     const buildPath = this.options.build;
     const commonPaths = new Set();
     const i18nPaths = new Set();
+    const cachePath = path.resolve(process.env.cachePath, '.rich_cache');
+    const entryFile = path.join(cachePath, 'entry.json');
+    const entryPaths = new Set();
 
     compiler.hooks.compilation.tap('toFindModule', (compilation) => {
       compilation.hooks.buildModule.tap("findModule", (module) => {
+        if (module.resource && fs.existsSync(module.resource)) {
+          entryPaths.add(module.resource);
+        }
         if (module.context.indexOf(process.env.projectPath) >= 0) {
           return;
         }
@@ -86,6 +92,7 @@ class ResultStates {
       for (let i18nPath of i18nPaths) {
         circularFile(i18nPath, path.resolve(buildPath, '../share/i18n'));
       }
+      addCacheFiles(entryFile, cachePath, entryPaths);
     });
 
     compiler.hooks.done.tap('Result States', (stats) => {
@@ -154,6 +161,20 @@ class ResultStates {
   }
 }
 
+function addCacheFiles(entryFile, cachePath, entryPaths) {
+  const entryArray = [];
+  if (fs.existsSync(entryFile)) {
+    const oldArray = JSON.parse(fs.readFileSync(entryFile));
+    oldArray.forEach(element => {
+      entryPaths.add(element);
+    })
+  } else if (!fs.existsSync(cachePath)) {
+    mkDir(cachePath);
+  }
+  entryArray.push(...entryPaths);
+  fs.writeFileSync(entryFile, JSON.stringify(entryArray));
+}
+
 const red = '\u001b[31m';
 const yellow = '\u001b[33m';
 const blue = '\u001b[34m';
diff --git a/ace-loader/webpack.rich.config.js b/ace-loader/webpack.rich.config.js
index b278f75..2f472bb 100644
--- a/ace-loader/webpack.rich.config.js
+++ b/ace-loader/webpack.rich.config.js
@@ -36,7 +36,8 @@ const {
   compileCardModule,
   hashProjectPath,
   checkMultiResourceBuild,
-  readWorkerFile
+  readWorkerFile,
+  compareCache
 } = require('./main.product')
 
 const richModule = {
@@ -180,7 +181,7 @@ function setConfigs(env) {
   process.env.DEVICE_LEVEL = env.DEVICE_LEVEL || process.env.DEVICE_LEVEL || 'rich';
   process.env.aceModuleJsonPath = env.aceModuleJsonPath || process.env.aceModuleJsonPath;
   process.env.aceProfilePath = env.aceProfilePath || process.env.aceProfilePath;
-  process.env.watchCSSFiles = process.env.watchCSSFiles || path.resolve(process.env.buildPath, 'preview_css.json');
+  process.env.watchCSSFiles = process.env.watchCSSFiles || path.resolve(process.env.cachePath, '.rich_cache', 'preview_css.json');
   watchMode = (process.env.watchMode && process.env.watchMode === 'true') ||
     (env.watchMode && env.watchMode === 'true') || false;
   if (process.env.abilityType === 'page' || process.env.abilityType === 'form') {
@@ -252,6 +253,7 @@ function excludeWorker(workerFile, name) {
 
 module.exports = (env) => {
   setConfigs(env);
+  compareCache(path.resolve(process.env.cachePath, '.rich_cache'));
   const workerFile = readWorkerFile();
   if (process.env.compileMode === 'moduleJson') {
     compileCardModule(env);