diff --git a/openapi/openapi.en.json b/openapi/openapi.en.json
index 1cea8fd..8dbead4 100644
--- a/openapi/openapi.en.json
+++ b/openapi/openapi.en.json
@@ -42379,7 +42379,8 @@
               "string",
               "null"
             ],
-            "description": "New description. Omit to leave unchanged."
+            "description": "New description. Omit to leave unchanged.",
+            "maxLength": 2000
           },
           "card_url": {
             "type": [
@@ -42454,7 +42455,8 @@
           },
           "description": {
             "type": "string",
-            "description": "Agent description."
+            "description": "Agent description.",
+            "maxLength": 2000
           },
           "card_url": {
             "type": "string",
diff --git a/openapi/openapi.zh.json b/openapi/openapi.zh.json
index 54a0aff..a033db6 100644
--- a/openapi/openapi.zh.json
+++ b/openapi/openapi.zh.json
@@ -42370,7 +42370,8 @@
               "string",
               "null"
             ],
-            "description": "新的描述。省略则不变。"
+            "description": "新的描述。省略则不变。",
+            "maxLength": 2000
           },
           "card_url": {
             "type": [
@@ -42445,7 +42446,8 @@
           },
           "description": {
             "type": "string",
-            "description": "智能体描述。"
+            "description": "智能体描述。",
+            "maxLength": 2000
           },
           "card_url": {
             "type": "string",