diff --git a/samples/src/main/ai.z.openapi.samples/AgentExample.java b/samples/src/main/ai.z.openapi.samples/AgentExample.java
index f13a124..6bf5f8a 100644
--- a/samples/src/main/ai.z.openapi.samples/AgentExample.java
+++ b/samples/src/main/ai.z.openapi.samples/AgentExample.java
@@ -67,6 +67,8 @@ private static void syncAgentCompletion(ZaiClient client) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/AgentVideoExample.java b/samples/src/main/ai.z.openapi.samples/AgentVideoExample.java
index 2902937..fa0a510 100644
--- a/samples/src/main/ai.z.openapi.samples/AgentVideoExample.java
+++ b/samples/src/main/ai.z.openapi.samples/AgentVideoExample.java
@@ -65,6 +65,8 @@ private static void syncAgentCompletion(ZaiClient client) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/AudioSpeechExample.java b/samples/src/main/ai.z.openapi.samples/AudioSpeechExample.java
index 1e83b9d..3df673a 100644
--- a/samples/src/main/ai.z.openapi.samples/AudioSpeechExample.java
+++ b/samples/src/main/ai.z.openapi.samples/AudioSpeechExample.java
@@ -36,6 +36,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/ChatAsyncCompletionExample.java b/samples/src/main/ai.z.openapi.samples/ChatAsyncCompletionExample.java
index e56eae9..689181d 100644
--- a/samples/src/main/ai.z.openapi.samples/ChatAsyncCompletionExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ChatAsyncCompletionExample.java
@@ -52,6 +52,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/ChatCompletionBase64Example.java b/samples/src/main/ai.z.openapi.samples/ChatCompletionBase64Example.java
index f4aa8e9..bed8962 100644
--- a/samples/src/main/ai.z.openapi.samples/ChatCompletionBase64Example.java
+++ b/samples/src/main/ai.z.openapi.samples/ChatCompletionBase64Example.java
@@ -62,5 +62,6 @@ public static void main(String[] args) throws IOException {
         } else {
             System.err.println("Error: " + response.getMsg());
         }
+        client.close();
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/ChatCompletionExample.java b/samples/src/main/ai.z.openapi.samples/ChatCompletionExample.java
index b5099c4..63d8aa7 100644
--- a/samples/src/main/ai.z.openapi.samples/ChatCompletionExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ChatCompletionExample.java
@@ -50,6 +50,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/ChatCompletionMultiFileExample.java b/samples/src/main/ai.z.openapi.samples/ChatCompletionMultiFileExample.java
index fc55624..7fe8c3c 100644
--- a/samples/src/main/ai.z.openapi.samples/ChatCompletionMultiFileExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ChatCompletionMultiFileExample.java
@@ -48,5 +48,6 @@ public static void main(String[] args) {
         } else {
             System.err.println("Error: " + response.getMsg());
         }
+        client.close();
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/ChatCompletionWithCustomHeadersExample.java b/samples/src/main/ai.z.openapi.samples/ChatCompletionWithCustomHeadersExample.java
index ec337a3..184fe54 100644
--- a/samples/src/main/ai.z.openapi.samples/ChatCompletionWithCustomHeadersExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ChatCompletionWithCustomHeadersExample.java
@@ -83,6 +83,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/ChatCompletionWithMcpServerUrlExample.java b/samples/src/main/ai.z.openapi.samples/ChatCompletionWithMcpServerUrlExample.java
index b9a2a1a..ca354bd 100644
--- a/samples/src/main/ai.z.openapi.samples/ChatCompletionWithMcpServerUrlExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ChatCompletionWithMcpServerUrlExample.java
@@ -70,6 +70,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/CogVideoX3Example.java b/samples/src/main/ai.z.openapi.samples/CogVideoX3Example.java
index d41a4be..7afff7b 100644
--- a/samples/src/main/ai.z.openapi.samples/CogVideoX3Example.java
+++ b/samples/src/main/ai.z.openapi.samples/CogVideoX3Example.java
@@ -29,6 +29,7 @@ public static void main(String[] args) {
         textToVideoExample(client);
         imageToVideoExample(client);
         firstLastFrameVideoExample(client);
+        client.close();
     }
     
     /**
diff --git a/samples/src/main/ai.z.openapi.samples/CogVideoXExample.java b/samples/src/main/ai.z.openapi.samples/CogVideoXExample.java
index 913aec5..ed1ef07 100644
--- a/samples/src/main/ai.z.openapi.samples/CogVideoXExample.java
+++ b/samples/src/main/ai.z.openapi.samples/CogVideoXExample.java
@@ -24,6 +24,7 @@ public static void main(String[] args) {
         
         // Basic Video Generation
         generateBasicVideo(client);
+        client.close();
     }
     
     /**
diff --git a/samples/src/main/ai.z.openapi.samples/CustomTimeoutExample.java b/samples/src/main/ai.z.openapi.samples/CustomTimeoutExample.java
index 1bed73a..c20861e 100644
--- a/samples/src/main/ai.z.openapi.samples/CustomTimeoutExample.java
+++ b/samples/src/main/ai.z.openapi.samples/CustomTimeoutExample.java
@@ -55,6 +55,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/EmbeddingsExample.java b/samples/src/main/ai.z.openapi.samples/EmbeddingsExample.java
index 108b819..acacaee 100644
--- a/samples/src/main/ai.z.openapi.samples/EmbeddingsExample.java
+++ b/samples/src/main/ai.z.openapi.samples/EmbeddingsExample.java
@@ -43,6 +43,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Embedding exception: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/FileParsingExample.java b/samples/src/main/ai.z.openapi.samples/FileParsingExample.java
index 90c3cad..65fcff6 100644
--- a/samples/src/main/ai.z.openapi.samples/FileParsingExample.java
+++ b/samples/src/main/ai.z.openapi.samples/FileParsingExample.java
@@ -34,6 +34,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 
diff --git a/samples/src/main/ai.z.openapi.samples/FileParsingSyncExample.java b/samples/src/main/ai.z.openapi.samples/FileParsingSyncExample.java
index 6e51bea..2e4e930 100644
--- a/samples/src/main/ai.z.openapi.samples/FileParsingSyncExample.java
+++ b/samples/src/main/ai.z.openapi.samples/FileParsingSyncExample.java
@@ -30,6 +30,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 
diff --git a/samples/src/main/ai.z.openapi.samples/FunctionCallingExample.java b/samples/src/main/ai.z.openapi.samples/FunctionCallingExample.java
index b3abf97..f432dc4 100644
--- a/samples/src/main/ai.z.openapi.samples/FunctionCallingExample.java
+++ b/samples/src/main/ai.z.openapi.samples/FunctionCallingExample.java
@@ -85,5 +85,6 @@ public static void main(String[] args) {
         } else {
             System.err.println("Error: " + response.getMsg());
         }
+        client.close();
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/GLM41VThinkingExample.java b/samples/src/main/ai.z.openapi.samples/GLM41VThinkingExample.java
index 70280cd..d3c0439 100644
--- a/samples/src/main/ai.z.openapi.samples/GLM41VThinkingExample.java
+++ b/samples/src/main/ai.z.openapi.samples/GLM41VThinkingExample.java
@@ -47,6 +47,7 @@ public static void main(String[] args) {
         } else {
             System.err.println("Error: " + response.getMsg());
         }
+        client.close();
     }
 
 }
diff --git a/samples/src/main/ai.z.openapi.samples/GLM45VExample.java b/samples/src/main/ai.z.openapi.samples/GLM45VExample.java
index 8e19481..0358be0 100644
--- a/samples/src/main/ai.z.openapi.samples/GLM45VExample.java
+++ b/samples/src/main/ai.z.openapi.samples/GLM45VExample.java
@@ -55,5 +55,6 @@ public static void main(String[] args) throws IOException {
         } else {
             System.err.println("Error: " + response.getMsg());
         }
+        client.chat();
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/GLM4VPlusExample.java b/samples/src/main/ai.z.openapi.samples/GLM4VPlusExample.java
index b0ac710..3f44b89 100644
--- a/samples/src/main/ai.z.openapi.samples/GLM4VPlusExample.java
+++ b/samples/src/main/ai.z.openapi.samples/GLM4VPlusExample.java
@@ -45,5 +45,6 @@ public static void main(String[] args) {
         } else {
             System.err.println("Error: " + response.getMsg());
         }
+        client.close();
     }
 }
diff --git a/samples/src/main/ai.z.openapi.samples/HandwritingOcrExample.java b/samples/src/main/ai.z.openapi.samples/HandwritingOcrExample.java
index 52276b6..a837a8a 100644
--- a/samples/src/main/ai.z.openapi.samples/HandwritingOcrExample.java
+++ b/samples/src/main/ai.z.openapi.samples/HandwritingOcrExample.java
@@ -31,7 +31,9 @@ public static void main(String[] args) {
 		} catch (Exception e) {
 			System.err.println("Exception occurred: " + e.getMessage());
 			e.printStackTrace();
-		}
+		} finally {
+            client.close();
+        }
 	}
 
 	/**
diff --git a/samples/src/main/ai.z.openapi.samples/ImageGenerationExample.java b/samples/src/main/ai.z.openapi.samples/ImageGenerationExample.java
index ff5f6d3..7f8a11f 100644
--- a/samples/src/main/ai.z.openapi.samples/ImageGenerationExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ImageGenerationExample.java
@@ -24,5 +24,6 @@ public static void main(String[] args) {
             .build();
         ImageResponse response = client.images().createImage(request);
         System.out.println(response.getData());
+        client.close();
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/ModerationExample.java b/samples/src/main/ai.z.openapi.samples/ModerationExample.java
index 94e91f0..0f3cf8b 100644
--- a/samples/src/main/ai.z.openapi.samples/ModerationExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ModerationExample.java
@@ -23,6 +23,7 @@ public static void main(String[] args) {
         // Example 2: Image moderation
         System.out.println("\n=== Image Moderation Example ===");
         moderateImage(client);
+        client.close();
     }
     
     private static void moderateText(ZaiClient client) {
diff --git a/samples/src/main/ai.z.openapi.samples/ViduAspectVideoExample.java b/samples/src/main/ai.z.openapi.samples/ViduAspectVideoExample.java
index 5d09478..9104d1b 100644
--- a/samples/src/main/ai.z.openapi.samples/ViduAspectVideoExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ViduAspectVideoExample.java
@@ -20,6 +20,7 @@ public static void main(String[] args) {
         ZaiClient client = ZaiClient.builder().build();
 
         generateVideoStartEnd(client);
+        client.close();
     }
 
     private static void generateVideoStartEnd(ZaiClient client) {
diff --git a/samples/src/main/ai.z.openapi.samples/ViduImageToVideoExample.java b/samples/src/main/ai.z.openapi.samples/ViduImageToVideoExample.java
index ad6ec8a..3c56b87 100644
--- a/samples/src/main/ai.z.openapi.samples/ViduImageToVideoExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ViduImageToVideoExample.java
@@ -18,6 +18,7 @@ public static void main(String[] args) {
         ZaiClient client = ZaiClient.builder().build();
 
         generateVideoFromImage(client);
+        client.close();
     }
     
     /**
diff --git a/samples/src/main/ai.z.openapi.samples/ViduStartEndVideoExample.java b/samples/src/main/ai.z.openapi.samples/ViduStartEndVideoExample.java
index 006fc8e..f9b63cc 100644
--- a/samples/src/main/ai.z.openapi.samples/ViduStartEndVideoExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ViduStartEndVideoExample.java
@@ -20,6 +20,7 @@ public static void main(String[] args) {
         ZaiClient client = ZaiClient.builder().build();
 
         generateVideoStartEnd(client);
+        client.close();
     }
     
     /**
diff --git a/samples/src/main/ai.z.openapi.samples/ViduTextToVideoExample.java b/samples/src/main/ai.z.openapi.samples/ViduTextToVideoExample.java
index 2a219ff..4e24b8e 100644
--- a/samples/src/main/ai.z.openapi.samples/ViduTextToVideoExample.java
+++ b/samples/src/main/ai.z.openapi.samples/ViduTextToVideoExample.java
@@ -24,6 +24,7 @@ public static void main(String[] args) {
         
         // Example: Generate video from text using Vidu
         generateVideoFromText(client);
+        client.close();
     }
     
     /**
diff --git a/samples/src/main/ai.z.openapi.samples/VoiceCloneExample.java b/samples/src/main/ai.z.openapi.samples/VoiceCloneExample.java
index a706a35..a301f26 100644
--- a/samples/src/main/ai.z.openapi.samples/VoiceCloneExample.java
+++ b/samples/src/main/ai.z.openapi.samples/VoiceCloneExample.java
@@ -48,6 +48,8 @@ public static void main(String[] args) {
         } catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 
diff --git a/samples/src/main/ai.z.openapi.samples/WebReaderExample.java b/samples/src/main/ai.z.openapi.samples/WebReaderExample.java
index 7f59c56..0cd6ec0 100644
--- a/samples/src/main/ai.z.openapi.samples/WebReaderExample.java
+++ b/samples/src/main/ai.z.openapi.samples/WebReaderExample.java
@@ -75,6 +75,8 @@ private static void basicWebReader(ZaiClient client) {
         catch (Exception e) {
             System.err.println("Exception occurred: " + e.getMessage());
             e.printStackTrace();
+        } finally {
+            client.close();
         }
     }
 }
\ No newline at end of file
diff --git a/samples/src/main/ai.z.openapi.samples/WebSearchExample.java b/samples/src/main/ai.z.openapi.samples/WebSearchExample.java
index 8db3ede..b57e250 100644
--- a/samples/src/main/ai.z.openapi.samples/WebSearchExample.java
+++ b/samples/src/main/ai.z.openapi.samples/WebSearchExample.java
@@ -34,6 +34,7 @@ public static void main(String[] args) {
         
         // Example 1: Basic Web Search
         basicWebSearch(client);
+        client.close();
     }
     
     /**