sandbox doc update

docs/DJ_SORA.md

@@ -109,6 +109,6 @@ This project is being actively updated and maintained. We eagerly invite you to
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   - [✅] (Model-Data sandbox) With relatively small models and the DJ-SORA dataset, exploring low-cost, transferable, and instructive data-model co-design, configurations and checkpoints. 
   - [ ] [WIP] Training SORA-like models with DJ-SORA data on  larger scales and in more scenarios to improve model performance.
-    - [✅] Data-Juicer-T2v, [V-Bench Top1 model](https://huggingface.co/datajuicer/Data-Juicer-T2V-v2). Please refer [here](./Sandbox-ZH.md) for more details.
+    - [✅] Data-Juicer-T2v, [V-Bench Top1 model](https://huggingface.co/datajuicer/Data-Juicer-T2V-v2). Please refer [here](./Sandbox.md) for more details.
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