diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88974b76..9299a975 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [1.0.0-beta.4](https://github.com/casbin/casbin.js/compare/v1.0.0-beta.3...v1.0.0-beta.4) (2021-08-31)
+
+
+### Features
+
+* Extend multiple sections type of escapeAssertion ([#180](https://github.com/casbin/casbin.js/issues/180)) ([4a8cc10](https://github.com/casbin/casbin.js/commit/4a8cc106862bee79fb1533338bde16669d40f5f5))
+
 # [1.0.0-beta.3](https://github.com/casbin/casbin.js/compare/v1.0.0-beta.2...v1.0.0-beta.3) (2021-08-28)
 
 
diff --git a/package.json b/package.json
index be3db6d1..859ba44e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "casbin.js",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "description": "An authorization library that supports access control models like ACL, RBAC, ABAC in Typescript",
   "main": "lib/cjs/index.js",
   "typings": "lib/cjs/index.d.ts",
diff --git a/src/util/util.ts b/src/util/util.ts
index 94f681e9..266c46b3 100644
--- a/src/util/util.ts
+++ b/src/util/util.ts
@@ -18,7 +18,10 @@
 import { RoleManager } from '../rbac';
 
 function escapeAssertion(s: string): string {
-  return s.replace(/([rp])\.|[0-9]\./g, (match) => {
+  if (s.startsWith('r') || s.startsWith('p')) {
+    s = s.replace('.', '_');
+  }
+  return s.replace(/([| =)(&<>,+\-!*\/])([rp][0-9]*)\./g, (match) => {
     return match.replace('.', '_');
   });
 }
diff --git a/test/util.test.ts b/test/util.test.ts
index 36185693..129e2f9f 100644
--- a/test/util.test.ts
+++ b/test/util.test.ts
@@ -190,3 +190,21 @@ test('test keyGet2Func', () => {
   expect(util.keyGet2Func('/baz', '/foo', 'bar')).toEqual('');
   expect(util.keyGet2Func('/foo/baz', '/foo', 'bar')).toEqual('');
 });
+
+test('test escapeAssertion', () => {
+  expect(util.escapeAssertion('r.attr.value == p.attr')).toEqual('r_attr.value == p_attr');
+  expect(util.escapeAssertion('r.attp.value || p.attr')).toEqual('r_attp.value || p_attr');
+  expect(util.escapeAssertion('r.attp.value && p.attr')).toEqual('r_attp.value && p_attr');
+  expect(util.escapeAssertion('r.attp.value >p.attr')).toEqual('r_attp.value >p_attr');
+  expect(util.escapeAssertion('r.attp.value <p.attr')).toEqual('r_attp.value <p_attr');
+  expect(util.escapeAssertion('r.attp.value +p.attr')).toEqual('r_attp.value +p_attr');
+  expect(util.escapeAssertion('r.attp.value -p.attr')).toEqual('r_attp.value -p_attr');
+  expect(util.escapeAssertion('r.attp.value *p.attr')).toEqual('r_attp.value *p_attr');
+  expect(util.escapeAssertion('r.attp.value /p.attr')).toEqual('r_attp.value /p_attr');
+  expect(util.escapeAssertion('!r.attp.value /p.attr')).toEqual('!r_attp.value /p_attr');
+  expect(util.escapeAssertion('g(r.sub, p.sub) == p.attr')).toEqual('g(r_sub, p_sub) == p_attr');
+  expect(util.escapeAssertion('g(r.sub,p.sub) == p.attr')).toEqual('g(r_sub,p_sub) == p_attr');
+  expect(util.escapeAssertion('(r.attp.value || p.attr)p.u')).toEqual('(r_attp.value || p_attr)p_u');
+  expect(util.escapeAssertion('r1.value == p1.value')).toEqual('r1_value == p1_value');
+  expect(util.escapeAssertion('r2.value == p4.value')).toEqual('r2_value == p4_value');
+});