diff --git a/MJExtension/NSObject+MJClass.m b/MJExtension/NSObject+MJClass.m
index 9ed7836a..cd987cfe 100644
--- a/MJExtension/NSObject+MJClass.m
+++ b/MJExtension/NSObject+MJClass.m
@@ -145,27 +145,26 @@ + (void)mj_setupBlockReturnValue:(id (^)(void))block key:(const char *)key
     MJExtensionSemaphoreSignal
 }
 
-+ (NSMutableArray *)mj_totalObjectsWithSelector:(SEL)selector key:(const char *)key {
++ (NSMutableArray *)mj_totalObjectsWithSelector:(SEL)selector key:(const char *)key
+{
     MJExtensionSemaphoreCreate
     MJExtensionSemaphoreWait
     NSMutableArray *array = [self mj_classDictForKey:key][NSStringFromClass(self)];
     if (array == nil) {
         // 创建、存储
         [self mj_classDictForKey:key][NSStringFromClass(self)] = array = [NSMutableArray array];
-        NSMutableSet *classMethodSets = NSMutableSet.set;
-        [self mj_enumerateAllClasses:^(__unsafe_unretained Class c, BOOL *stop) {
-            Method method = class_getClassMethod(c, selector);
-            NSNumber *methodAddress = @((int64_t)(void *)method);
-            if (method && ![classMethodSets containsObject:methodAddress]) {
+        
+        if ([self respondsToSelector:selector]) {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Warc-performSelector-leaks"
-                NSArray *subArray = [c performSelector:selector];
+            NSArray *subArray = [self performSelector:selector];
 #pragma clang diagnostic pop
-                if (subArray) {
-                    [array addObjectsFromArray:subArray];
-                }
-                [classMethodSets addObject:methodAddress];
+            if (subArray) {
+                [array addObjectsFromArray:subArray];
             }
+        }
+        
+        [self mj_enumerateAllClasses:^(__unsafe_unretained Class c, BOOL *stop) {
             NSArray *subArray = objc_getAssociatedObject(c, key);
             [array addObjectsFromArray:subArray];
         }];
@@ -173,5 +172,4 @@ + (NSMutableArray *)mj_totalObjectsWithSelector:(SEL)selector key:(const char *)
     MJExtensionSemaphoreSignal
     return array;
 }
-
 @end
diff --git a/MJExtensionDemo.xcodeproj/project.pbxproj b/MJExtensionDemo.xcodeproj/project.pbxproj
index 3bc315de..49c1c82f 100644
--- a/MJExtensionDemo.xcodeproj/project.pbxproj
+++ b/MJExtensionDemo.xcodeproj/project.pbxproj
@@ -53,7 +53,6 @@
 		2D2DBA832317DBE0005A689E /* MJAd.m in Sources */ = {isa = PBXBuildFile; fileRef = 2D2DBA732317DBDF005A689E /* MJAd.m */; };
 		2D2DBA842317DBE0005A689E /* MJExtensionConfig.m in Sources */ = {isa = PBXBuildFile; fileRef = 2D2DBA752317DBDF005A689E /* MJExtensionConfig.m */; };
 		2D2DBA852317DBE0005A689E /* MJPerson.m in Sources */ = {isa = PBXBuildFile; fileRef = 2D2DBA772317DBDF005A689E /* MJPerson.m */; };
-		6B431A1D253F2EA900F08763 /* MJElement.m in Sources */ = {isa = PBXBuildFile; fileRef = 6B431A1C253F2EA900F08763 /* MJElement.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -156,8 +155,6 @@
 		2D2DBA762317DBDF005A689E /* MJBook.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MJBook.h; sourceTree = "<group>"; };
 		2D2DBA772317DBDF005A689E /* MJPerson.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MJPerson.m; sourceTree = "<group>"; };
 		2D2DBA872317DCCF005A689E /* PrefixHeader.pch */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PrefixHeader.pch; sourceTree = "<group>"; };
-		6B431A1B253F2EA900F08763 /* MJElement.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MJElement.h; sourceTree = "<group>"; };
-		6B431A1C253F2EA900F08763 /* MJElement.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MJElement.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -292,20 +289,18 @@
 				2D2DBA602317DBDF005A689E /* MJDog.m */,
 				2D2DBA6B2317DBDF005A689E /* MJExtensionConfig.h */,
 				2D2DBA752317DBDF005A689E /* MJExtensionConfig.m */,
-				0130EE7E233C56D8008D2386 /* MJFrenchUser.h */,
-				0130EE7F233C56D8008D2386 /* MJFrenchUser.m */,
 				2D2DBA682317DBDF005A689E /* MJPerson.h */,
 				2D2DBA772317DBDF005A689E /* MJPerson.m */,
 				2D2DBA622317DBDF005A689E /* MJStatus.h */,
 				2D2DBA722317DBDF005A689E /* MJStatus.m */,
 				2D2DBA642317DBDF005A689E /* MJStatusResult.h */,
 				2D2DBA712317DBDF005A689E /* MJStatusResult.m */,
-				2D2DBA6F2317DBDF005A689E /* MJStudent.h */,
 				2D2DBA662317DBDF005A689E /* MJStudent.m */,
+				2D2DBA6F2317DBDF005A689E /* MJStudent.h */,
 				2D2DBA672317DBDF005A689E /* MJUser.h */,
 				2D2DBA6E2317DBDF005A689E /* MJUser.m */,
-				6B431A1B253F2EA900F08763 /* MJElement.h */,
-				6B431A1C253F2EA900F08763 /* MJElement.m */,
+				0130EE7E233C56D8008D2386 /* MJFrenchUser.h */,
+				0130EE7F233C56D8008D2386 /* MJFrenchUser.m */,
 			);
 			path = Model;
 			sourceTree = "<group>";
@@ -506,7 +501,6 @@
 				2D2DBA842317DBE0005A689E /* MJExtensionConfig.m in Sources */,
 				2D2DBA7F2317DBE0005A689E /* MJBaseObject.m in Sources */,
 				2D2DBA7D2317DBE0005A689E /* MJBook.m in Sources */,
-				6B431A1D253F2EA900F08763 /* MJElement.m in Sources */,
 				2D2DBA7A2317DBE0005A689E /* MJDog.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
diff --git a/MJExtensionTests/MJExtensionTests.m b/MJExtensionTests/MJExtensionTests.m
index 4dbf6160..af49468f 100644
--- a/MJExtensionTests/MJExtensionTests.m
+++ b/MJExtensionTests/MJExtensionTests.m
@@ -19,7 +19,6 @@
 #import <CoreData/CoreData.h>
 #import "MJFrenchUser.h"
 #import "MJCat.h"
-#import "MJElement.h"
 
 @interface MJExtensionTests : XCTestCase
 
@@ -526,16 +525,4 @@ - (void)testLogAllProperties {
     
     MJExtensionLog(@"%@", user);
 }
-
-#pragma mark 使用 mj_ignoredPropertyNames/mj_allowedPropertyNames 存在继承
-- (void)testIgnoredInheritedProperties {
-    NSDictionary *dict = @{
-        @"count" : @"100",
-        @"renderName" : @"MJRenderElementName"
-    };
-    MJRenderElement *renderElement = [MJRenderElement mj_objectWithKeyValues:dict];
-    XCTAssert(renderElement.count == 0);
-    XCTAssertFalse(renderElement.renderName);
-}
-
 @end
diff --git a/MJExtensionTests/Model/MJElement.h b/MJExtensionTests/Model/MJElement.h
deleted file mode 100644
index 6048516c..00000000
--- a/MJExtensionTests/Model/MJElement.h
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-//  MJElement.h
-//  MJExtensionTests
-//
-//  Created by libin14 on 2020/10/20.
-//  Copyright © 2020 MJ Lee. All rights reserved.
-//
-
-#import <Foundation/Foundation.h>
-
-NS_ASSUME_NONNULL_BEGIN
-
-@interface MJElement : NSObject
-
-@property (assign, nonatomic) NSInteger count;
-
-@end
-
-
-@interface MJRenderElement : MJElement
-
-@property (copy, nonatomic) NSString *renderName;
-
-@end
-
-NS_ASSUME_NONNULL_END
diff --git a/MJExtensionTests/Model/MJElement.m b/MJExtensionTests/Model/MJElement.m
deleted file mode 100644
index 29aaf083..00000000
--- a/MJExtensionTests/Model/MJElement.m
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-//  MJElement.m
-//  MJExtensionTests
-//
-//  Created by libin14 on 2020/10/20.
-//  Copyright © 2020 MJ Lee. All rights reserved.
-//
-
-#import "MJElement.h"
-
-@implementation MJElement
-
-+ (NSArray *)mj_ignoredPropertyNames {
-    return @[@"count"];
-}
-
-@end
-
-@implementation MJRenderElement
-
-+ (NSArray *)mj_ignoredPropertyNames {
-    return @[@"renderName"];
-}
-
-@end
-