diff --git a/llm.py b/llm.py
index b7261c2..a8172cd 100644
--- a/llm.py
+++ b/llm.py
@@ -371,14 +371,17 @@ async def run_client():
 
 def ensure_version_suffix(base_url):
     """
-    确保 base_url 以 '/v<n>/' 结尾，其中 n 是数字。
-    如果不是这样，则添加 '/v1/' 到末尾。
+    Ensures base_url is properly formatted for the API provider.
     """
-    # 正则表达式匹配 '/v<n>/' 其中 <n> 是任意字符
-    match = re.search(r'/v(.+)/$', base_url)
+    # Special case for Perplexity API
+    if "api.perplexity.ai" in base_url:
+        # Return a fixed URL with no manipulation
+        return "https://api.perplexity.ai"
     
+    # Original logic for OpenAI and other APIs
+    match = re.search(r'/v(.+)/$', base_url)
     if not match:
-        # 如果没有匹配到，则添加 '/v1/'
+        # If no version suffix, add '/v1/'
         if not base_url.endswith('/'):
             base_url += '/'
         base_url += 'v1/'
@@ -456,11 +459,22 @@ def send(
                         history[i]["role"] = "user"
                         history.append({"role": "assistant", "content": "好的，我会按照你的指示来操作"})
                         break
-            openai_client = OpenAI(
-                    api_key= self.apikey,
-                    base_url=self.baseurl,
-                )
-            if "openai.azure.com" in self.baseurl:
+            # Create the OpenAI client
+            if "api.perplexity.ai" in self.baseurl:
+                try:
+                    # Use the simplest possible client initialization for Perplexity
+                    openai_client = OpenAI(
+                        api_key=self.apikey,
+                        base_url="https://api.perplexity.ai"
+                    )
+                except Exception as e:
+                    print(f"Error initializing Perplexity client: {e}")
+                    # Fallback to standard initialization
+                    openai_client = OpenAI(
+                        api_key=self.apikey,
+                        base_url=self.baseurl
+                    )
+            elif "openai.azure.com" in self.baseurl:
                 # 获取API版本
                 api_version = self.baseurl.split("=")[-1].split("/")[0]
                 # 获取azure_endpoint
@@ -471,6 +485,11 @@ def send(
                     azure_endpoint=azure_endpoint,
                 )
                 openai_client = azure
+            else:
+                openai_client = OpenAI(
+                    api_key=self.apikey,
+                    base_url=self.baseurl,
+                )
             new_message = {"role": "user", "content": user_prompt}
             history.append(new_message)
             print(history)
@@ -1107,7 +1126,12 @@ def INPUT_TYPES(s):
     CATEGORY = "大模型派对（llm_party）/模型加载器（model loader）"
 
     def chatbot(self, model_name, base_url=None, api_key=None, is_ollama=False):
-        if is_ollama:
+        if "api.perplexity.ai" in (base_url or ""):
+            # For Perplexity API, simplify the base URL
+            openai.base_url = ensure_version_suffix(base_url)
+            openai.api_key = api_key
+            print(f"Using Perplexity API with base_url: {openai.base_url}")
+        elif is_ollama:
             openai.api_key = "ollama"
             openai.base_url = "http://127.0.0.1:11434/v1/"
         else:
@@ -1130,7 +1154,7 @@ def chatbot(self, model_name, base_url=None, api_key=None, is_ollama=False):
                 api_keys = load_api_keys(config_path)
                 openai.api_key = api_keys.get("openai_api_key")
                 openai.base_url = api_keys.get("base_url")
-            if openai.base_url != "":
+            if openai.base_url != "" and "api.perplexity.ai" not in openai.base_url:
                 if openai.base_url[-1] != "/":
                     openai.base_url = openai.base_url + "/"