diff --git a/swagger/swagger-generator/generator-core/pom.xml b/swagger/swagger-generator/generator-core/pom.xml
index 768f6ecd054..4b032856f05 100644
--- a/swagger/swagger-generator/generator-core/pom.xml
+++ b/swagger/swagger-generator/generator-core/pom.xml
@@ -78,5 +78,10 @@
       <artifactId>spring-web</artifactId>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.skyscreamer</groupId>
+      <artifactId>jsonassert</artifactId>
+      <version>1.5.1</version>
+    </dependency>
   </dependencies>
 </project>
diff --git a/swagger/swagger-generator/generator-core/src/main/java/org/apache/servicecomb/swagger/generator/core/unittest/UnitTestSwaggerUtils.java b/swagger/swagger-generator/generator-core/src/main/java/org/apache/servicecomb/swagger/generator/core/unittest/UnitTestSwaggerUtils.java
index 9448484b083..54ee6903f77 100644
--- a/swagger/swagger-generator/generator-core/src/main/java/org/apache/servicecomb/swagger/generator/core/unittest/UnitTestSwaggerUtils.java
+++ b/swagger/swagger-generator/generator-core/src/main/java/org/apache/servicecomb/swagger/generator/core/unittest/UnitTestSwaggerUtils.java
@@ -25,9 +25,13 @@
 import org.apache.commons.io.IOUtils;
 import org.apache.servicecomb.swagger.generator.SwaggerGenerator;
 import org.junit.jupiter.api.Assertions;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ObjectWriter;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 
 import io.swagger.v3.core.util.Yaml;
 import io.swagger.v3.oas.models.OpenAPI;
@@ -81,8 +85,14 @@ public static SwaggerGenerator testSwagger(String resPath, Class<?> cls, String.
       expectSchema = expectSchema.substring(offset + 4);
     }
 
-    if (!Objects.equals(expectSchema, schema)) {
-      Assertions.assertEquals(expectSchema, schema);
+    try {
+      ObjectMapper yaml = new ObjectMapper(new YAMLFactory());
+      String expectedJson = yaml.readTree(expectSchema).toString();
+      String actualJson   = yaml.readTree(schema).toString();
+
+      JSONAssert.assertEquals(expectedJson, actualJson, JSONCompareMode.NON_EXTENSIBLE);
+    } catch (Exception e) {
+      Assertions.fail("Failed to parse/compare OpenAPI YAML: " + e.getMessage(), e);
     }
 
     return generator;