diff --git a/sms4j-core/src/main/java/org/dromara/sms4j/core/factory/SmsFactory.java b/sms4j-core/src/main/java/org/dromara/sms4j/core/factory/SmsFactory.java
index 0047a218..478c5715 100644
--- a/sms4j-core/src/main/java/org/dromara/sms4j/core/factory/SmsFactory.java
+++ b/sms4j-core/src/main/java/org/dromara/sms4j/core/factory/SmsFactory.java
@@ -63,7 +63,7 @@ public abstract class SmsFactory {
      * @author :Wind
      */
     public static void createSmsBlend(SmsReadConfig smsReadConfig, String configId) {
-        SupplierConfig supplierConfig = (SupplierConfig)smsReadConfig.getSupplierConfig(configId);
+        BaseConfig supplierConfig = smsReadConfig.getSupplierConfig(configId);
         supplierConfig.setConfigId(configId);
         SmsBlend smsBlend = create(supplierConfig);
         register(smsBlend);