diff --git a/bot_test.go b/bot_test.go
index dc85854..d6a543f 100644
--- a/bot_test.go
+++ b/bot_test.go
@@ -23,7 +23,7 @@ func TestDefaultBot(t *testing.T) {
 	group, _ := self.Groups()
 	friends, _ := self.Friends()
 	fmt.Println(group.Search(Cond{"NickName": "厉害了"}))
-	fmt.Println(friends.Search(Cond{"RemarkName": "阿青"}))
+	fmt.Println(friends.Search(Cond{"RemarkName": "阿青", "Sex": 2}))
 	fmt.Println(bot.Block())
 }
 
diff --git a/relations.go b/relations.go
index 073bbfd..ee2a016 100644
--- a/relations.go
+++ b/relations.go
@@ -72,7 +72,7 @@ func (f Friends) Search(cond Cond) (friends Friends, found bool) {
 			switch k {
 			case "UserName":
 				if value, ok := v.(string); ok {
-					return f.SearchByNickName(value)
+					return f.SearchByUserName(value)
 				}
 			case "NickName":
 				if value, ok := v.(string); ok {
@@ -85,19 +85,21 @@ func (f Friends) Search(cond Cond) (friends Friends, found bool) {
 			}
 		}
 	}
-	for _, member := range f {
-		value := reflect.ValueOf(member).Elem()
+	for _, friend := range f {
+		value := reflect.ValueOf(friend).Elem()
+		var matchCount int
 		for k, v := range cond {
 			if field := value.FieldByName(k); field.IsValid() {
-				if field.Interface() == v {
-					found = true
-					if friends == nil {
-						friends = make(Friends, 0)
-					}
-					friends = append(friends, member)
+				if field.Interface() != v {
+					break
 				}
+				matchCount++
 			}
 		}
+		if matchCount == len(cond) {
+			found = true
+			friends = append(friends, friend)
+		}
 	}
 	return
 }
@@ -184,14 +186,14 @@ func (g Groups) SearchByRemarkName(remarkName string) (results Groups, found boo
 	return
 }
 
-func (g Groups) Search(cond Cond) (groups Groups, found bool) {
+func (g Groups) Search(cond Cond) (results Groups, found bool) {
 
 	if len(cond) == 1 {
 		for k, v := range cond {
 			switch k {
 			case "UserName":
 				if value, ok := v.(string); ok {
-					return g.SearchByNickName(value)
+					return g.SearchByUserName(value)
 				}
 			case "NickName":
 				if value, ok := v.(string); ok {
@@ -205,19 +207,21 @@ func (g Groups) Search(cond Cond) (groups Groups, found bool) {
 		}
 	}
 
-	for _, member := range g {
-		value := reflect.ValueOf(member).Elem()
+	for _, group := range g {
+		value := reflect.ValueOf(group).Elem()
+		var matchCount int
 		for k, v := range cond {
 			if field := value.FieldByName(k); field.IsValid() {
-				if field.Interface() == v {
-					found = true
-					if groups == nil {
-						groups = make(Groups, 0)
-					}
-					groups = append(groups, member)
+				if field.Interface() != v {
+					break
 				}
+				matchCount++
 			}
 		}
+		if matchCount == len(cond) {
+			found = true
+			results = append(results, group)
+		}
 	}
 	return
 }
diff --git a/user.go b/user.go
index e4ab05c..1a07bb3 100644
--- a/user.go
+++ b/user.go
@@ -343,7 +343,7 @@ func (m Members) Search(cond Cond) (results Members, found bool) {
 			switch k {
 			case "UserName":
 				if value, ok := v.(string); ok {
-					return m.SearchByNickName(value)
+					return m.SearchByUserName(value)
 				}
 			case "NickName":
 				if value, ok := v.(string); ok {
@@ -359,17 +359,19 @@ func (m Members) Search(cond Cond) (results Members, found bool) {
 
 	for _, member := range m {
 		value := reflect.ValueOf(member).Elem()
+		var matchCount int
 		for k, v := range cond {
 			if field := value.FieldByName(k); field.IsValid() {
-				if field.Interface() == v {
-					found = true
-					if results == nil {
-						results = make(Members, 0)
-					}
-					results = append(results, member)
+				if field.Interface() != v {
+					break
 				}
+				matchCount++
 			}
 		}
+		if matchCount == len(cond) {
+			found = true
+			results = append(results, member)
+		}
 	}
 	return
 }