diff --git a/iot-modules/iot-box-websocket-api/pom.xml b/iot-modules/iot-box-websocket-api/pom.xml
index 1fb4d40..757db4a 100644
--- a/iot-modules/iot-box-websocket-api/pom.xml
+++ b/iot-modules/iot-box-websocket-api/pom.xml
@@ -75,6 +75,12 @@
             <scope>compile</scope>
         </dependency>
 
+        <!-- https://mvnrepository.com/artifact/com.github.ben-manes.caffeine/caffeine -->
+        <dependency>
+            <groupId>com.github.ben-manes.caffeine</groupId>
+            <artifactId>caffeine</artifactId>
+            <version>3.1.8</version>
+        </dependency>
 
     </dependencies>
 
diff --git a/iot-modules/iot-box-websocket-api/src/main/java/com/qiuguo/iot/box/websocket/api/handler/BaseWebSocketProcess.java b/iot-modules/iot-box-websocket-api/src/main/java/com/qiuguo/iot/box/websocket/api/handler/BaseWebSocketProcess.java
index d58b1f8..63e1452 100644
--- a/iot-modules/iot-box-websocket-api/src/main/java/com/qiuguo/iot/box/websocket/api/handler/BaseWebSocketProcess.java
+++ b/iot-modules/iot-box-websocket-api/src/main/java/com/qiuguo/iot/box/websocket/api/handler/BaseWebSocketProcess.java
@@ -134,14 +134,18 @@ public class BaseWebSocketProcess {
                     int m = Math.max(Math.max(Math.max(Math.max(d, j), Math.max(a, b)), c), n);
                     if (m > 0) {
                         //清空
-                        sb.setLength(0);
-                        sb.append(old.substring(m));
-                        old = old.substring(0, m);
+                        String msg = old.substring(0, m);
+                        if(msg.replace(" ", "").length() > 0){
+                            //纯空格的不推送
+                            sb.setLength(0);
+                            sb.append(old.substring(m));
+
+                            normalSendMsg(baseSession, msg, type, YesNo.NO.getCode());
+                            return;
+                        }
 
-                        normalSendMsg(baseSession, old, type, YesNo.NO.getCode());
-                    } else {
-                        sb.append(message);
                     }
+                    sb.append(message);
 
                     return;
                 }
@@ -152,7 +156,11 @@ public class BaseWebSocketProcess {
             @Override
             public void finish() {
                 log.info("千问最后调用finish");
-                normalSendMsg(baseSession, sb.toString(), type);
+                String msg = sb.toString();
+                if(msg.replace(" ", "").length() > 0){
+                    //纯空格的不推送
+                    normalSendMsg(baseSession, sb.toString(), type);
+                }
                 MDC.remove(Log4Constans.PRINT_LOG_ID);
             }
         }).flatMap(data ->{