diff --git a/compiler/main.js b/compiler/main.js
index 367a3b9..9c3b6c5 100644
--- a/compiler/main.js
+++ b/compiler/main.js
@@ -44,6 +44,7 @@ const resources = {
   app: {},
   sys: {}
 };
+const abilityPagesFullPath = [];
 
 function initProjectConfig(projectConfig) {
   projectConfig.entryObj = {};
@@ -210,7 +211,7 @@ function setAbilityFile(projectConfig, abilityPages) {
     if (path.isAbsolute(abilityPath)) {
       abilityPath = '.' + abilityPath.slice(projectConfig.projectPath.length);
     }
-    const entryPageKey = abilityPath.replace(/^\.\/ets\//, './').replace(/\.ts$/, '');
+    const entryPageKey = abilityPath.replace(/^\.\/ets\//, './').replace(/\.ts$/, '').replace(/\.ets$/, '');
     if (fs.existsSync(projectAbilityPath)) {
       abilityConfig.projectAbilityPath.push(projectAbilityPath);
       projectConfig.entryObj[entryPageKey] = projectAbilityPath + '?entry';
@@ -241,6 +242,13 @@ function setEntrance(abilityConfig, abilityPages) {
     abilityConfig.forEach(ability => {
       if (ability.srcEntrance) {
         abilityPages.push(ability.srcEntrance);
+        let finalPath = path.resolve(path.resolve(projectConfig.projectPath, '../'), ability.srcEntrance);
+        finalPath = finalPath.replace(/\\/g, '/');
+        if (fs.existsSync(finalPath)) {
+          abilityPagesFullPath.push(finalPath);
+        } else {
+          abilityPagesFullPath.push(ability.srcEntrance);
+        }
       }
     });
   }
@@ -364,4 +372,5 @@ exports.resources = resources;
 exports.loadWorker = loadWorker;
 exports.abilityConfig = abilityConfig;
 exports.readWorkerFile = readWorkerFile;
+exports.abilityPagesFullPath = abilityPagesFullPath;
 exports.loadModuleInfo = loadModuleInfo;
diff --git a/compiler/src/validate_ui_syntax.ts b/compiler/src/validate_ui_syntax.ts
index cbab9a5..82082d1 100644
--- a/compiler/src/validate_ui_syntax.ts
+++ b/compiler/src/validate_ui_syntax.ts
@@ -69,7 +69,7 @@ import {
   hasDecorator,
   toUnixPath
 } from './utils';
-import { projectConfig } from '../main';
+import { projectConfig, abilityPagesFullPath } from '../main';
 import { collectExtend } from './process_ui_syntax';
 import { isExtendFunction } from './process_ui_syntax';
 import { isOhmUrl } from './resolve_ohm_url';
@@ -232,7 +232,8 @@ function validateEntryAndPreviewCount(result: DecoratorResult, fileQuery: string
         + `decorator, or at least one '@Preview' decorator.`,
       fileName: fileName
     });
-  } else if ((!isPreview || isPreview && checkEntry) && result.entryCount !== 1 && fileQuery === '?entry') {
+  } else if ((!isPreview || isPreview && checkEntry) && result.entryCount !== 1 && fileQuery === '?entry' &&
+    !abilityPagesFullPath.includes(fileName)) {
     log.push({
       type: LogType.ERROR,
       message: `A page configured in '${projectConfig.pagesJsonFileName}' must have one and only one '@Entry' `