diff --git a/frameworks/config_policy/ets/ani/ets/@ohos.configPolicy.ets b/frameworks/config_policy/ets/ani/ets/@ohos.configPolicy.ets
index 16929ba6a38522654773b948190ccef94d16b734..689bae9518e09b4b047c052a411f39dd2d240c26 100644
--- a/frameworks/config_policy/ets/ani/ets/@ohos.configPolicy.ets
+++ b/frameworks/config_policy/ets/ani/ets/@ohos.configPolicy.ets
@@ -33,7 +33,7 @@ namespace configPolicy {
 
     native function getCfgDirListSync(): Array<string>;
 
-    function getOneCfgFile(relPath: string, callback: AsyncCallback<string>) : void {
+    function getOneCfgFileWithCallback(relPath: string, callback: AsyncCallback<string>) : void {
         taskpool.execute((): string => {
             return getOneCfgFileSync(relPath);
         }).then((content: NullishType) => {
@@ -43,7 +43,7 @@ namespace configPolicy {
         });
     }
 
-    function getOneCfgFile(relPath: string, followMode: FollowXMode, callback: AsyncCallback<string>) : void {
+    function getOneCfgFileWithFollowModeCallback(relPath: string, followMode: FollowXMode, callback: AsyncCallback<string>) : void {
         taskpool.execute((): string => {
             return getOneCfgFileSync(relPath, followMode);
         }).then((content: NullishType) => {
@@ -53,7 +53,7 @@ namespace configPolicy {
         });
     }
 
-    function getOneCfgFile(
+    function getOneCfgFileWithFollowModeExtraCallback(
         relPath: string, followMode: FollowXMode, extra: string, callback: AsyncCallback<string>) : void {
         taskpool.execute((): string => {
             return getOneCfgFileSync(relPath, followMode, extra);
@@ -64,7 +64,7 @@ namespace configPolicy {
         });
     }
 
-    function getOneCfgFile(relPath: string): Promise<string> {
+    function getOneCfgFileReturnsPromise(relPath: string): Promise<string> {
         return new Promise<string>((resolve, reject) => {
             taskpool.execute((): string => {
                 return getOneCfgFileSync(relPath);
@@ -76,7 +76,7 @@ namespace configPolicy {
         });
     }
 
-    function getOneCfgFile(relPath: string, followMode: FollowXMode, extra?: string): Promise<string> {
+    function getOneCfgFileWithFollowModeReturnsPromise(relPath: string, followMode: FollowXMode, extra?: string): Promise<string> {
         return new Promise<string>((resolve, reject) => {
             taskpool.execute((): string => {
                 return getOneCfgFileSync(relPath, followMode, extra);
@@ -88,7 +88,11 @@ namespace configPolicy {
         });
     }
 
-    function getCfgFiles(relPath: string, callback: AsyncCallback<Array<string>>) : void {
+    overload getOneCfgFile { getOneCfgFileWithCallback, getOneCfgFileWithFollowModeCallback,
+                             getOneCfgFileWithFollowModeExtraCallback, getOneCfgFileReturnsPromise, 
+                             getOneCfgFileWithFollowModeReturnsPromise };
+
+    function getCfgFilesWithCallback(relPath: string, callback: AsyncCallback<Array<string>>) : void {
         taskpool.execute((): Array<string> => {
             return getCfgFilesSync(relPath);
         }).then((content: NullishType) => {
@@ -98,7 +102,7 @@ namespace configPolicy {
         });
     }
 
-    function getCfgFiles(relPath: string, followMode: FollowXMode, callback: AsyncCallback<Array<string>>) : void {
+    function getCfgFilesWithFollowModeCallback(relPath: string, followMode: FollowXMode, callback: AsyncCallback<Array<string>>) : void {
         taskpool.execute((): Array<string> => {
             return getCfgFilesSync(relPath, followMode);
         }).then((content: NullishType) => {
@@ -108,7 +112,7 @@ namespace configPolicy {
         });
     }
 
-    function getCfgFiles(
+    function getCfgFilesWithFollowModeExtraCallback(
         relPath: string, followMode: FollowXMode, extra: string, callback: AsyncCallback<Array<string>>) : void {
         taskpool.execute((): Array<string> => {
             return getCfgFilesSync(relPath, followMode, extra);
@@ -119,7 +123,7 @@ namespace configPolicy {
         });
     }
 
-    function getCfgFiles(relPath: string): Promise<Array<string>> {
+    function getCfgFilesReturnsPromise(relPath: string): Promise<Array<string>> {
         return new Promise<Array<string>>((resolve, reject) => {
             taskpool.execute((): Array<string> => {
                 return getCfgFilesSync(relPath);
@@ -131,7 +135,7 @@ namespace configPolicy {
         });
     }
 
-    function getCfgFiles(relPath: string, followMode: FollowXMode, extra?: string): Promise<Array<string>> {
+    function getCfgFilesWithFollowModeReturnsPromise(relPath: string, followMode: FollowXMode, extra?: string): Promise<Array<string>> {
         return new Promise<Array<string>>((resolve, reject) => {
             taskpool.execute((): Array<string> => {
                 return getCfgFilesSync(relPath, followMode, extra);
@@ -143,7 +147,11 @@ namespace configPolicy {
         });
     }
 
-    function getCfgDirList(callback: AsyncCallback<Array<string>>) : void {
+    overload getCfgFiles { getCfgFilesWithCallback, getCfgFilesWithFollowModeCallback,
+                           getCfgFilesWithFollowModeExtraCallback, getCfgFilesReturnsPromise, 
+                           getCfgFilesWithFollowModeReturnsPromise };
+
+    function getCfgDirListWithCallback(callback: AsyncCallback<Array<string>>) : void {
         taskpool.execute((): Array<string> => {
             return getCfgDirListSync();
         }).then((content: NullishType) => {
@@ -153,7 +161,7 @@ namespace configPolicy {
         });
     }
 
-    function getCfgDirList(): Promise<Array<string>> {
+    function getCfgDirListReturnsPromise(): Promise<Array<string>> {
         return new Promise<Array<string>>((resolve, reject) => {
             taskpool.execute((): Array<string> => {
                 return getCfgDirListSync();
@@ -164,6 +172,8 @@ namespace configPolicy {
             });
         });
     }
+
+    overload getCfgDirList { getCfgDirListWithCallback, getCfgDirListReturnsPromise };
 }
 
 export default configPolicy;