Name: 如何在創建影像時立即修復雙子座 "納米香蕉 "寬高比問題 (How to INSTANTLY Fix Gemini 'Nano Banana' Aspect Ratio Problems When Creating Images)
Uploaded: 2025-09-24T16:04:32.000Z
Duration: 7 min 36 s

So there is a known issue when you're creating or editing a picture with Gemini 2.5 plus image preview also known as Gemini banana.

是以，在使用雙子座 2.5 加上影像預覽（也稱為雙子座香蕉）創建或編輯圖片時，會出現一個已知問題。

情態副詞

Essentially it is difficult or maybe impossible to get the correct aspect ratio that is based on your prompt.

從根本上說，要根據您的提示獲得正確的寬高比是很困難的，甚至是不可能的。

Like in this example I want to get a 16 by 9 aspect ratio and yet the picture is square it should be a horizontal picture.

比如在這個例子中，我想獲得 16 x 9 的寬高比，但圖片是正方形的，應該是水準圖片。

How about this one I just provided a vertical picture and I want to add a hat into the cap and also I want to turn the picture to be a horizontal aspect ratio and yeah the final picture is still a vertical picture.

我剛剛提供了一張豎版圖片，我想在帽子里加上一頂帽子，還想把圖片變成水準縱橫比，但最終的圖片仍然是豎版圖片。

So this is a known problem with the Gemini not the banana and there is apparently no way you can fix this problem.

是以，這是雙子座而不是香蕉的已知問題，而且顯然無法解決這個問題。

And also what I find to be hilarious is this answer from Google health community which is official and basically there is a person having this problem and this is the answer which I find to be embarrassing and hilarious.

另外，我覺得搞笑的是谷歌健康社區的官方回答，基本上是有一個人遇到了這個問題，而這個回答讓我覺得既尷尬又搞笑。

So it says hi there and I understand your concern to guide Gemini towards a specific tone you should include explicit instructions within the prompt.

所以它說你好，我理解你的顧慮，要引導雙子座發出特定的音調，你應該在提示中加入明確的訓示。

Yeah that is a genius high-level answer that's just basically use that's exactly the things that people have tried and it doesn't work and it's just giving you this useless answer.

是的，這是一個天才的高層次答案，基本上就是使用人們已經嘗試過的方法，但沒有用，只是給了你這個無用的答案。

So not even Google knows how to fix this problem apparently but there is actually a general fix on how you can create a picture or edit a picture with a specific aspect ratio and the way to do that is basically to provide a blank picture let's say you want to get a 16 by 9 aspect ratio picture you have to create a blank or empty picture with 16 by 9 aspect ratio and then use that to reference or to guide Gemini about the ratio that it needs to produce so it is actually quite a reliable way to get a correct aspect ratio but the problem is that you have to create multiple different pictures with depending on the aspect ratios that you want to get so you have to use Photoshop or maybe some other third-party tool to be able to create those blank pictures but actually there is a simple way to get that kind of file using Gemini AI and here's how you can do that so let's go to Gemini first and basically we want to create an app that can produce some blank pictures based on any aspect ratio so this is the prompt that you can use and don't worry I'm going to provide the prompt in the video description down below it's a very long prompt because again we want to create an app so click tools click create sorry click canvas and just send the message now depending on what or when you're watching this video it could be there could be a different version of Gemini and therefore the app might look a bit different but basically it should be still serving the same purpose which is allowing you to create some transparent PNG pictures with blank content but you can specify the aspect ratio so I'm going to wait for a bit it should be able to create the tool any second now it is actually quite a simple tool and there you go so the tool has been created and it looked like this again the interface or the UI could be different but more or less the function is the same so here I can select the aspect ratio like 1 to 1 4 by 3 3 by 2 16 by 9 and 21 by 9 but I can also manually select the aspect ratio now in this case I want to create a 16 by 9 aspect ratio picture so I'll select this and then click download PNG and as you can see I have this file there is essentially empty there is nothing here it's just a fully transparent picture there is no info about it except for the aspect ratio now we are ready to use this file to guide Gemini Nano Banana so let's go to Gemini again and I will try to edit this picture sorry to create this picture again which is a photorealistic picture of a frog riding a train in the 1950s I'm going to copy it now I'm going to paste that into this and I'm going to upload that transparent sorry that blank picture it is actually transparent I'm going to click it click open so it's just nothing there just no info about it and this is the extra instruction that you must provide when creating a picture don't worry I'm going to provide you the guide on how you can edit a picture using this technique now click tools click create images and send the message so you will see that it is not creating a vertical or square picture anymore it is going to be a 16 by 9 or horizontal aspect ratio picture so I'll wait still generating the image it should be done any second now okay there you go so the picture is definitely not square not vertical it is actually horizontal although there is this black bar but it's easy to fix and you can also just redo the process and maybe the next iteration will give you a complete picture but overall it is not it is following the proper it is following the instruction the instruction which is creating the picture based on the aspect ratio that we provided now how about editing a picture so it's actually quite simple and I will try edit this picture again the cat and I'm going to add a red hat to the cat so I'm going to go back to Gemini I'm going to upload this picture and now I guess I have to download oh sorry I still have that transparent for us sorry about that I still have that blank transfer and file okay and if I don't have to you know download another file now I'm going to this again upload files and then select that transparent picture the blank picture and this is the prompt that I will use make the cat wear a red hat just this prompt and paste that and this is the extra instruction that I'm going to provide to Gemini and don't worry all the prompts should be available in the video description down below including the prompt to create the PNG picture generator so this is the prompt use the second picture as the reference for final aspect ratio and fill the area that wasn't shown in the original picture click tools click create images and send the message so it's not basically you can specify it could be a second third fourth or maybe the first picture depending on the order when you are uploading the picture to edit the so in this case the second picture was actually their transparent picture and that's why I said it is a second picture okay just wait and there you go so this is not a crop picture is actually the details that are created by Gemini because again the original picture sorry the original picture look like this and yeah it is vertical and now we have a original picture so that's basically how I can fix Gemini not banana unable to create a picture based on the specified aspect ratio again all the prompts should be available in the video description down below thank you so much for watching and I'll see you on my next video have a great day

是以，顯然連 Google 也不知道如何解決這個問題，但實際上有一個通用的解決方法，即如何創建一張圖片或編輯一張具有特定縱橫比的圖片。是以，這實際上是一種獲得正確寬高比的可靠方法，但問題是，您必須根據想要獲得的寬高比創建多張不同的圖片，是以您必須使用 Photoshop 或其他第三方工具來創建這些圖片。但實際上，有一種簡單的方法可以使用雙子座 AI 獲取此類文件，下面就是您的操作方法，讓我們先進入雙子座，基本上，我們想要創建一個應用程序，該應用程序可以根據任何縱橫比生成一些空白圖片，這就是您可以使用的提示