diff --git a/sms4j-core/src/main/java/org/dromara/sms4j/core/proxy/processor/CoreMethodParamValidateProcessor.java b/sms4j-core/src/main/java/org/dromara/sms4j/core/proxy/processor/CoreMethodParamValidateProcessor.java
index ec490b28..20a2e8da 100644
--- a/sms4j-core/src/main/java/org/dromara/sms4j/core/proxy/processor/CoreMethodParamValidateProcessor.java
+++ b/sms4j-core/src/main/java/org/dromara/sms4j/core/proxy/processor/CoreMethodParamValidateProcessor.java
@@ -60,7 +60,7 @@ public class CoreMethodParamValidateProcessor implements CoreMethodProcessor {
     }
 
     public void validatePhone(String phone) {
-        if (StrUtil.isNotEmpty(phone)) {
+        if (StrUtil.isBlank(phone)) {
             throw new SmsBlendException("cant send message to null!");
         }
     }
diff --git a/sms4j-provider/src/main/java/org/dromara/sms4j/zhutong/service/ZhutongSmsImpl.java b/sms4j-provider/src/main/java/org/dromara/sms4j/zhutong/service/ZhutongSmsImpl.java
index b9322b4f..1c39904e 100644
--- a/sms4j-provider/src/main/java/org/dromara/sms4j/zhutong/service/ZhutongSmsImpl.java
+++ b/sms4j-provider/src/main/java/org/dromara/sms4j/zhutong/service/ZhutongSmsImpl.java
@@ -150,7 +150,7 @@ public class ZhutongSmsImpl extends AbstractSmsBlend<ZhutongConfig> {
         headers.put("Content-Type", Constant.APPLICATION_JSON_UTF8);
         SmsResponse smsResponse;
         try {
-            smsResponse = getResponse(http.postJson(requestUrl, headers, json));
+            smsResponse = getResponse(http.postJson(url, headers, json));
         } catch (SmsBlendException e) {
             smsResponse = new SmsResponse();
             smsResponse.setSuccess(false);
@@ -238,7 +238,7 @@ public class ZhutongSmsImpl extends AbstractSmsBlend<ZhutongConfig> {
         headers.put("Content-Type", Constant.APPLICATION_JSON_UTF8);
         SmsResponse smsResponse;
         try {
-            smsResponse = getResponse(http.postJson(requestUrl, headers, requestJson.toString()));
+            smsResponse = getResponse(http.postJson(url, headers, requestJson.toString()));
         } catch (SmsBlendException e) {
             smsResponse = new SmsResponse();
             smsResponse.setSuccess(false);