diff --git a/src/models/deepseek_ocr/generate.rs b/src/models/deepseek_ocr/generate.rs
index b2de6f8..4a86603 100644
--- a/src/models/deepseek_ocr/generate.rs
+++ b/src/models/deepseek_ocr/generate.rs
@@ -28,6 +28,7 @@ pub struct DeepseekOCRGenerateModel {
     bos_token_id: u32,
     eos_token_id: u32,
     device: Device,
+    size: Vec<u32>,
 }
 
 impl DeepseekOCRGenerateModel {
@@ -44,6 +45,7 @@ impl DeepseekOCRGenerateModel {
         let model_list = find_type_files(path, "safetensors")?;
         let vb = unsafe { VarBuilder::from_mmaped_safetensors(&model_list, dtype, device)? };
         let deepseekocr_model = DeepseekOCRModel::new(vb, cfg)?;
+        let size = vec![512u32, 640, 1024, 1280];
         Ok(Self {
             tokenizer,
             processor,
@@ -51,16 +53,47 @@ impl DeepseekOCRGenerateModel {
             bos_token_id,
             eos_token_id,
             device: device.clone(),
+            size,
         })
     }
 }
 
 impl GenerateModel for DeepseekOCRGenerateModel {
     fn generate(&mut self, mes: ChatCompletionParameters) -> Result<ChatCompletionResponse> {
+        let base_size = if let Some(map) = &mes.metadata
+            && map.contains_key("base_size")
+        {
+            let size = map.get("base_size").unwrap();
+            let size = size.parse::<u32>().unwrap_or(640);
+            if self.size.contains(&size) { size } else { 640 }
+        } else {
+            640
+        };
+        let image_size = if let Some(map) = &mes.metadata
+            && map.contains_key("image_size")
+        {
+            let size = map.get("image_size").unwrap();
+            let size = size.parse::<u32>().unwrap_or(640);
+            if self.size.contains(&size) { size } else { 640 }
+        } else {
+            640
+        };
+        let crop_mode = if let Some(map) = &mes.metadata
+            && map.contains_key("crop_mode")
+        {
+            let size = map.get("crop_mode").unwrap();
+            size.parse::<bool>().unwrap_or(false)
+        } else {
+            false
+        };
+        println!(
+            "base_size: {}, image_size: {}, crop_mode: {}",
+            base_size, image_size, crop_mode
+        );
         let mut logit_processor = get_logit_processor(mes.temperature, mes.top_p, None);
         let (mut input_ids, images_ori, image_crop, images_seq_mask, images_spatial_crop_t) = self
             .processor
-            .process_info(&mes, &self.tokenizer, 640, 640, true)?;
+            .process_info(&mes, &self.tokenizer, base_size, image_size, crop_mode)?;
         let mut images_ori = Some(&images_ori);
         let mut image_crop = Some(&image_crop);
         let mut images_seq_mask = Some(&images_seq_mask);
diff --git a/tests/test_deepseek_ocr.rs b/tests/test_deepseek_ocr.rs
index 8f45585..329e0cf 100644
--- a/tests/test_deepseek_ocr.rs
+++ b/tests/test_deepseek_ocr.rs
@@ -27,12 +27,9 @@ fn deepseek_ocr_generate() -> Result<()> {
                         "text": "<image>\n<|grounding|>Convert the document to markdown. "
                     }
                 ]
-            },
-            {
-                "role": "assistant",
-                "content": ""
             }
-        ]
+        ],
+        "metadata": {"base_size": "640", "image_size": "640", "crop_mode": "false"}
     }
     "#;
     let model_path = "/home/jhq/huggingface_model/deepseek-ai/DeepSeek-OCR/";
@@ -77,7 +74,8 @@ async fn deepseek_ocr_stream() -> Result<()> {
                 "role": "assistant",
                 "content": ""
             }
-        ]
+        ],
+        "metadata": {"base_size": "640", "image_size": "640", "crop_mode": "false"}
     }
     "#;
     let model_path = "/home/jhq/huggingface_model/deepseek-ai/DeepSeek-OCR/";