diff --git a/Falcon.SugarApi/ApiDefinistions/ApiControllerBase.cs b/Falcon.SugarApi/ApiDefinistions/ApiControllerBase.cs
index 67a3a96..e254fc2 100644
--- a/Falcon.SugarApi/ApiDefinistions/ApiControllerBase.cs
+++ b/Falcon.SugarApi/ApiDefinistions/ApiControllerBase.cs
@@ -259,7 +259,6 @@ namespace Falcon.SugarApi.ApiDefinistions
             }
             return this.Cache.GetString(key);
         }
-
         /// <summary>
         /// 设置缓存
         /// </summary>
@@ -270,7 +269,7 @@ namespace Falcon.SugarApi.ApiDefinistions
             if(this.Cache == null) {
                 return;
             }
-            if(key.IsNullOrEmpty() || val.IsNotNullOrEmpty()) {
+            if(key.IsNullOrEmpty() || val.IsNullOrEmpty()) {
                 return;
             }
             if(span == null) {
@@ -278,7 +277,6 @@ namespace Falcon.SugarApi.ApiDefinistions
             }
             this.Cache.SetString(key,val,new DistributedCacheEntryOptions { AbsoluteExpirationRelativeToNow = span });
         }
-
         /// <summary>
         /// 获取缓存的对象
         /// </summary>
@@ -310,7 +308,49 @@ namespace Falcon.SugarApi.ApiDefinistions
                 return;
             }
             var str = JsonSerializer.Serialize(val);
-            this.Cache.SetString(key,str,new DistributedCacheEntryOptions { AbsoluteExpirationRelativeToNow = span });
+            this.SetCache(key,str,span);
+            //this.Cache.SetString(key,str,new DistributedCacheEntryOptions { AbsoluteExpirationRelativeToNow = span });
+        }
+        /// <summary>
+        /// 尝试获取key指定的缓冲数据，如果不存在通过cacheDataBuilder方法获取缓冲数据，获取缓冲数据后存入分布式缓存，并返回数据
+        /// </summary>
+        /// <param name="key">缓存的键</param>
+        /// <param name="cacheDataBuilder"></param>
+        /// <param name="span">存储过期时间</param>
+        /// <returns>缓冲数据</returns>
+        protected string? GetCache(string key,Func<string>? cacheDataBuilder = null,TimeSpan? span = null) {
+            string? str = this.GetCache(key);
+            if(str.IsNotNullOrEmpty()) {
+                return str;
+            }
+            if(cacheDataBuilder != null) {
+                str = cacheDataBuilder?.Invoke();
+            }
+            if(str.IsNotNullOrEmpty()) {
+                this.SetCache(key,str,span);
+            }
+            return str;
+        }
+        /// <summary>
+        /// 尝试获取key指定的缓冲数据，如果不存在通过cacheDataBuilder方法获取缓冲数据，获取缓冲数据后存入分布式缓存，并返回数据
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="key"></param>
+        /// <param name="cacheDataBuilder"></param>
+        /// <param name="span"></param>
+        /// <returns></returns>
+        protected T? GetCache<T>(string key,Func<T>? cacheDataBuilder = null,TimeSpan? span = null) {
+            T? result = this.GetCache<T>(key);
+            if(result != null) {
+                return result;
+            }
+            if(cacheDataBuilder != null) {
+                result = cacheDataBuilder.Invoke();
+            }
+            if(result != null) {
+                this.SetCache(key,result,span);
+            }
+            return result;
         }
         #endregion
     }