diff --git a/src/langs/common/combinator.js b/src/langs/common/combinator.js
index 4265950..402c53f 100644
--- a/src/langs/common/combinator.js
+++ b/src/langs/common/combinator.js
@@ -20,7 +20,7 @@ const {
   _lowerFirst,
 } = require('../../lib/helper.js');
 
-class BaseConbinator {
+class BaseCombinator {
   constructor(config = {}, imports = {}) {
     this.level = 0;
     this.eol = '';
@@ -203,4 +203,4 @@ class BaseConbinator {
   }
 }
 
-module.exports = BaseConbinator;
+module.exports = BaseCombinator;
diff --git a/src/resolver/model.js b/src/resolver/model.js
index f94c05d..0ac892b 100644
--- a/src/resolver/model.js
+++ b/src/resolver/model.js
@@ -28,7 +28,7 @@ class ModelResolver extends BaseResolver {
     const config = this.config;
     const ast = this.ast;
 
-    assert.equal(ast.type, 'model');
+    assert.strictEqual(ast.type, 'model');
 
     combinator.config.emitType = 'model';