diff --git a/src/libs/agent-runtime/azureOpenai/index.ts b/src/libs/agent-runtime/azureOpenai/index.ts
index 190070e622b..6f9b8c65359 100644
--- a/src/libs/agent-runtime/azureOpenai/index.ts
+++ b/src/libs/agent-runtime/azureOpenai/index.ts
@@ -30,6 +30,18 @@ export class LobeAzureOpenAI implements LobeRuntimeAI {
     // ============  1. preprocess messages   ============ //
     const { messages, model, ...params } = payload;
 
+    // fix the issue: "The sample encountered an error: TypeError: Cannot read properties of undefined (reading 'url')"
+    messages.forEach(message => {
+      if (message['content'] instanceof Array) {
+        message['content'].forEach((content: any) => {
+          if (content['type'] === 'image_url') {
+            content['imageUrl'] = content['image_url'];
+            delete content['image_url'];
+          }
+        });
+      };
+    });
+
     // ============  2. send api   ============ //
 
     try {