diff --git a/CertManager/src/main/ets/model/CertMangerModel.ets b/CertManager/src/main/ets/model/CertMangerModel.ets
index 300d79f..63a5a6e 100644
--- a/CertManager/src/main/ets/model/CertMangerModel.ets
+++ b/CertManager/src/main/ets/model/CertMangerModel.ets
@@ -280,22 +280,6 @@ export class CertMangerModel {
     }
   }
 
-  checkPassword(data: Uint8Array, pwd: string, callback: Function): void {
-    console.info(TAG + 'checkPassword start');
-    try {
-      cert.createTrustAnchorsWithKeyStore(data, pwd).then((data) => {
-        console.info(TAG + 'checkPassword success');
-        callback(0)
-      }).catch((err: BusinessError) => {
-        console.info(TAG + 'checkPassword failed:' + JSON.stringify(err));
-        callback(CMModelErrorCode.CM_MODEL_ERROR_EXCEPTION)
-      })
-    } catch (err) {
-      console.error(TAG + 'call create failed:' + JSON.stringify(err));
-      callback(CMModelErrorCode.CM_MODEL_ERROR_EXCEPTION);
-    }
-  }
-
   private async getSystemTrustedCertificateList(callback: Function): Promise<void> {
     console.info(TAG + 'getSystemTrustedCertificateList start');
     try {
diff --git a/CertManager/src/main/ets/pages/certPwdInput.ets b/CertManager/src/main/ets/pages/certPwdInput.ets
index 3ccf469..afc0952 100644
--- a/CertManager/src/main/ets/pages/certPwdInput.ets
+++ b/CertManager/src/main/ets/pages/certPwdInput.ets
@@ -138,23 +138,14 @@ struct CertPwdInput {
           .onClick(() => {
             let fileInfo: RouterFileVo = router.getParams() as RouterFileVo;
             this.isPasswordError = false;
-            this.mAppCredAuthPresenter.AuthenticationPassword(fileInfo.uri, fileInfo.suffix, this.certPwd)
-              .then((result: number) => {
-                this.passWordWarn = result;
-                if (this.passWordWarn !== CMModelErrorCode.CM_MODEL_ERROR_EXCEPTION) {
-                  GlobalContext.getContext().getPwdStore().setCertPwd(this.certPwd);
-                  let fileInfo: RouterFileVo = router.getParams() as RouterFileVo;
-                  router.replaceUrl({
-                    url: 'pages/certInstallAliasInput',
-                    params: {
-                      fileInfo: fileInfo,
-                      pwd: this.certPwd
-                    }
-                  })
-                } else {
-                  this.isPasswordError = true;
-                }
-              })
+            GlobalContext.getContext().getPwdStore().setCertPwd(this.certPwd);
+            router.replaceUrl({
+              url: 'pages/certInstallAliasInput',
+              params: {
+                fileInfo: fileInfo,
+                pwd: this.certPwd
+              }
+            })
           })
         }
         .margin({ bottom: $r('app.float.wh_value_24') })
diff --git a/CertManager/src/main/ets/presenter/CmInstallPresenter.ets b/CertManager/src/main/ets/presenter/CmInstallPresenter.ets
index 57f054e..a84e915 100644
--- a/CertManager/src/main/ets/presenter/CmInstallPresenter.ets
+++ b/CertManager/src/main/ets/presenter/CmInstallPresenter.ets
@@ -68,21 +68,6 @@ export default class CmInstallPresenter {
     });
   }
 
-  AuthenticationPassword(uri: string, suffix: string, pwd: string): Promise<number> {
-    return new Promise((resolve) => {
-      this.updateCertFileType(suffix);
-      this.getFileDataFromUri(uri, (data: Uint8Array) => {
-        certManagerModel.checkPassword(data, pwd, (err: CMModelErrorCode) => {
-          if (err === CMModelErrorCode.CM_MODEL_ERROR_EXCEPTION) {
-            resolve(err)
-          } else {
-            resolve(0)
-          }
-        })
-      })
-    })
-  }
-
   checkCertNameLength(uri: string, alias: string, suffix: string, pwd: string): Promise<number> {
     return new Promise((resolve) => {
       this.updateCertFileType(suffix);