diff --git a/build-tools/dts_parser/src/coreImpl/checker/src/words_check.ts b/build-tools/dts_parser/src/coreImpl/checker/src/words_check.ts
index 781809fe5530a1f575746fa49499b0eeabd7067a..50a3e53eff3d6444065f34ab56212ec6be9bab5b 100644
--- a/build-tools/dts_parser/src/coreImpl/checker/src/words_check.ts
+++ b/build-tools/dts_parser/src/coreImpl/checker/src/words_check.ts
@@ -27,7 +27,8 @@ import {
 import { BasicApiInfo } from '../../../typedef/parser/ApiInfoDefination';
 import { tagsArrayOfOrder, officialTagArr, CommonFunctions } from '../../../utils/checkUtils';
 import { AddErrorLogs } from './compile_info';
-import { compositiveResult, compositiveLocalResult } from '../../../utils/checkUtils';
+import { compositiveResult, compositiveLocalResult, punctuationMarkSet } from '../../../utils/checkUtils';
+import { Set } from 'typescript';
 
 const dictionariesContent: string = fs.readFileSync(path.resolve(__dirname, '../config/dictionaries.txt'), 'utf-8');
 const dictionariesArr: string[] = dictionariesContent.split(/[(\r\n)\r\n]+/g);
@@ -66,8 +67,14 @@ export class WordsCheck {
    */
   static wordsCheck(apiText: string, baseInfo: BasicApiInfo): void {
     const reg = /\s{2,}/g;
-    const regx = /(\/\*|\*\/|\*)|\{|\}|\\n|\\r|\@|\.|\:|\,|\;|\(|\)|\"|\'|\//g;
-    const fullText = apiText.replace(regx, ' ').replace(reg, ' ');
+    const regx = /(\/\*|\*\/|\*)|\\n|\\r/g;
+    let fullText: string = apiText.replace(regx, ' ');
+    punctuationMarkSet.forEach(punctuationMark => {
+      const punctuationMarkReg = new RegExp(punctuationMark, 'g');
+      if (punctuationMarkReg.test(fullText)) {
+        fullText = fullText.replace(punctuationMarkReg, ' ').replace(reg, ' ');
+      }
+    });
     let apiWordsArr = fullText.split(/\s/g);
     const errorWords: string[] = [];
     apiWordsArr.forEach((apiWord) => {
diff --git a/build-tools/dts_parser/src/utils/checkUtils.ts b/build-tools/dts_parser/src/utils/checkUtils.ts
index f6d0e48c7f89085ead04a52fd9679a3ead6c6890..c0aa040bf1999e3c82ae54d56ac9c5bb689fb057 100644
--- a/build-tools/dts_parser/src/utils/checkUtils.ts
+++ b/build-tools/dts_parser/src/utils/checkUtils.ts
@@ -237,13 +237,13 @@ export const inheritTagArr: string[] = ['test', 'famodelonly', 'FAModelOnly', 's
  * Optional tag
  */
 export const optionalTags: string[] = [
-  'throws', 'static', 'fires', 'systemapi', 'famodelonly', 'FAModelOnly', 'stagemodelonly',
+  'static', 'fires', 'systemapi', 'famodelonly', 'FAModelOnly', 'stagemodelonly',
   'StageModelOnly', 'crossplatform', 'deprecated', 'test', 'form', 'example', 'atomicservice'
 ];
 /**
  * conditional optional tag
  */
-export const conditionalOptionalTags: string[] = ['type', 'default', 'readonly', 'permission'];
+export const conditionalOptionalTags: string[] = ['type', 'default', 'readonly', 'permission', 'throws'];
 
 /**
  * All api types that can use the permission tag.
@@ -263,18 +263,18 @@ export const permissionOptionalTags: ts.SyntaxKind[] = [
  * Each api type corresponds to a set of available tags.
  */
 export const apiLegalityCheckTypeMap: Map<ts.SyntaxKind, string[]> = new Map([
-  [ts.SyntaxKind.CallSignature, ['param', 'returns', 'permission', 'syscap', 'since']],
+  [ts.SyntaxKind.CallSignature, ['param', 'returns', 'permission', 'throws', 'syscap', 'since']],
   [ts.SyntaxKind.ClassDeclaration, ['extends', 'syscap', 'since']],
-  [ts.SyntaxKind.Constructor, ['param', 'syscap', 'permission', 'since']],
+  [ts.SyntaxKind.Constructor, ['param', 'syscap', 'permission', 'throws', 'since']],
   [ts.SyntaxKind.EnumDeclaration, ['enum', 'syscap', 'since']],
-  [ts.SyntaxKind.FunctionDeclaration, ['param', 'returns', 'permission', 'syscap', 'since']],
+  [ts.SyntaxKind.FunctionDeclaration, ['param', 'returns', 'permission', 'throws', 'syscap', 'since']],
   [ts.SyntaxKind.InterfaceDeclaration, ['interface', 'typedef', 'extends', 'syscap', 'since']],
-  [ts.SyntaxKind.MethodDeclaration, ['param', 'returns', 'permission', 'syscap', 'since']],
+  [ts.SyntaxKind.MethodDeclaration, ['param', 'returns', 'permission', 'throws', 'syscap', 'since']],
   [ts.SyntaxKind.MethodSignature, ['param', 'returns', 'permission', 'syscap', 'since']],
   [ts.SyntaxKind.ModuleDeclaration, ['namespace', 'syscap', 'since']],
-  [ts.SyntaxKind.PropertyDeclaration, ['type', 'default', 'permission', 'readonly', 'syscap', 'since']],
-  [ts.SyntaxKind.PropertySignature, ['type', 'default', 'permission', 'readonly', 'syscap', 'since']],
-  [ts.SyntaxKind.VariableStatement, ['constant', 'default', 'permission', 'syscap', 'since']],
+  [ts.SyntaxKind.PropertyDeclaration, ['type', 'default', 'permission', 'throws', 'readonly', 'syscap', 'since']],
+  [ts.SyntaxKind.PropertySignature, ['type', 'default', 'permission', 'throws', 'readonly', 'syscap', 'since']],
+  [ts.SyntaxKind.VariableStatement, ['constant', 'default', 'permission', 'throws', 'syscap', 'since']],
 ]);
 
 /**
@@ -286,3 +286,7 @@ export const compositiveResult: ApiResultSimpleInfo[] = [];
  * An array of local error messages
  */
 export const compositiveLocalResult: ApiResultInfo[] = [];
+
+export const punctuationMarkSet: Set<string> = new Set(['\\{', '\\}', '\\(', '\\)', '\\[', '\\]', '\\@', '\\.', '\\:',
+  '\\,', '\\;', '\\(', '\\)', '\\"', '\\/', '\\_', '\\-', '\\=', '\\?', '\\<', '\\>', '\\,', '\\!', '\\#', '\：', '\，',
+  '\\:', '\\|', '\\%', '\\+', '\\`', '\\\\', '\\\'']);