diff --git a/YYKit/Utility/YYKeychain.m b/YYKit/Utility/YYKeychain.m
index 16536c49..f4b28678 100644
--- a/YYKit/Utility/YYKeychain.m
+++ b/YYKit/Utility/YYKeychain.m
@@ -434,10 +434,14 @@ + (YYKeychainItem *)selectOneItem:(YYKeychainItem *)item error:(NSError **)error
     status = SecItemCopyMatching((__bridge CFDictionaryRef)query, &result);
     if (status != errSecSuccess) {
         if (error) *error = [[self class] errorWithCode:status];
+        if (result) {
+            CFRelease(result);
+        }
+        return nil;
+    }
+    if (!result) {
         return nil;
     }
-    if (!result) return nil;
-    
     NSDictionary *dic = nil;
     if (CFGetTypeID(result) == CFDictionaryGetTypeID()) {
         dic = (__bridge NSDictionary *)(result);
@@ -445,6 +449,7 @@ + (YYKeychainItem *)selectOneItem:(YYKeychainItem *)item error:(NSError **)error
         dic = [(__bridge NSArray *)(result) firstObject];
         if (![dic isKindOfClass:[NSDictionary class]]) dic = nil;
     }
+    CFRelease(result);
     if (!dic.count) return nil;
     return [[YYKeychainItem alloc] initWithDic:dic];
 }