diff --git a/src/componentsCodegen/propTrueType.ts b/src/componentsCodegen/propTrueType.ts
index d468a38..bf80ab2 100644
--- a/src/componentsCodegen/propTrueType.ts
+++ b/src/componentsCodegen/propTrueType.ts
@@ -78,7 +78,7 @@ export function propTrueType(v: IDefinitionProperty): {
   }
   // 基本类型
   else {
-    result.propType = toBaseType(v.type, v.items.format)
+    result.propType = toBaseType(v.type, v.items?.format)
   }
   return result
 }
diff --git a/src/definitionCodegen/propTrueType.ts b/src/definitionCodegen/propTrueType.ts
index 0829efd..38288cb 100644
--- a/src/definitionCodegen/propTrueType.ts
+++ b/src/definitionCodegen/propTrueType.ts
@@ -31,7 +31,7 @@ export function propTrueType(v: IDefinitionProperty): {
         const currentResult = propTrueType(v.items)
         result = { ...result, ...currentResult }
       } else {
-        result.propType = toBaseType(v.items.type) + '[]'
+        result.propType = toBaseType(v.items.type, v.items?.format) + '[]'
       }
     }
     result.isArray = true
@@ -52,7 +52,7 @@ export function propTrueType(v: IDefinitionProperty): {
   }
   // 基本类型
   else {
-    result.propType = toBaseType(v.type)
+    result.propType = toBaseType(v.type, v?.format)
   }
   return result
 }
diff --git a/src/requestCodegen/getRequestParameters.ts b/src/requestCodegen/getRequestParameters.ts
index 9d23779..e6afc25 100644
--- a/src/requestCodegen/getRequestParameters.ts
+++ b/src/requestCodegen/getRequestParameters.ts
@@ -65,7 +65,7 @@ export function getRequestParameters(params: IParameter[], useHeaderParameters:
     }
     // 基本类型
     else {
-      propType = toBaseType(p.type, p.format)
+      propType = toBaseType(p.type, p?.format)
     }
 
     const paramName = camelcase(p.name)