diff --git a/vlmeval/vlm/granite_vision/granite_vision.py b/vlmeval/vlm/granite_vision/granite_vision.py
old mode 100644
new mode 100755
index 1f46f86cb..eec096e0c
--- a/vlmeval/vlm/granite_vision/granite_vision.py
+++ b/vlmeval/vlm/granite_vision/granite_vision.py
@@ -13,7 +13,6 @@
 flash_attn_flag = False
 try:
     import flash_attn
-
     flash_attn_flag = True
 except ImportError:
     pass
@@ -58,6 +57,8 @@ def output_process(self, answer, dataset):
 
         if "<|end_of_text|>" in answer:
             answer = answer.split("<|end_of_text|>")[0].strip("\n ")
+        if "answer" in answer.lower():
+            answer = answer.lower().split("answer")[-1].strip(" :.-\n")
         if dataset in [
             "ChartQA_TEST",
             "DocVQA_VAL",
@@ -69,14 +70,16 @@ def output_process(self, answer, dataset):
             "TextVQA_VAL"
         ]:
             answer = answer.strip(".")
-
-        return answer
+        if "ChartMuseum" in dataset:
+            answer = f"<answer>{answer}</answer>"
+        return answer.strip("\n")
 
     def use_custom_prompt(self, dataset):
         assert dataset is not None
         if DATASET_TYPE(dataset) == "MCQ":
             return True
-        if dataset in ["OCRBench", "COCO_VAL"]:
+        if dataset in ["OCRBench", "COCO_VAL", "ChartQA_TEST", "CharXiv_descriptive_val", "ChartMimic_v1_direct",
+                       "ChartMimic_v2_direct", "ChartMimic_v2_customized",]:
             return True
         return False
 
@@ -87,6 +90,11 @@ def get_pre_post_prompt(self, dataset, chineese=False):
                 "\nReply with only one word or a short phrase or a full address.",
             ),
             "COCO_VAL": ("", "\nReply with one short sentence."),
+            "ChartQA_TEST": ("", "\nAnswer the question with a single word."),
+            "CharXiv_descriptive_val": ("", "\nAnswer the question with a single word or short phrase."),
+            "ChartMimic_v1_direct": ("", "\nAnswer using code only. strating with ```python and ending with ```"),
+            "ChartMimic_v2_direct": ("", "\nAnswer using code only. strating with ```python and ending with ```"),
+            "ChartMimic_v2_customized": ("", "\nAnswer using code only. strating with ```python and ending with ```"),
         }
         pre_post_prompt_cn = {}
 
@@ -172,13 +180,10 @@ def generate_inner(self, message, dataset=None):
                 "content": content,
             }
         ]
-        prompt = self.processor.apply_chat_template(
-            conversation, add_generation_prompt=True
-        )
-        inputs = self.processor(prompt, images, return_tensors="pt").to(
-            "cuda", torch.float16
-        )
-        output = self.model.generate(**inputs, **self.kwargs)
+        prompt = self.processor.apply_chat_template(conversation, tokenize=False, add_generation_prompt=True)
+        inputs = self.processor(images=images, text=prompt, return_tensors="pt").to(self.model.device, self.model.dtype)
+        with torch.no_grad():
+            output = self.model.generate(**inputs, **self.kwargs)
         answer = self.processor.decode(output[0], skip_special_token=True)
         answer = self.output_process(answer, dataset)
         return answer