diff --git a/src/Transmit.cpp b/src/Transmit.cpp
index 7c424af..9e7d6af 100644
--- a/src/Transmit.cpp
+++ b/src/Transmit.cpp
@@ -51,7 +51,7 @@ namespace Transmission {
         if (!dataPackets.ParseFromArray(buff.get(), this->packSize))
             throw PrepareDataException("反序列化出错");
         this->packSize = -1;
-        switch (dataPackets.type()) {
+        switch (dataPackets.algorithm()) {
             //无压缩
             case CompressAlgorithm::NOT: {
                 auto pack = copyMem(dataPackets.data());
diff --git a/test/test_main.cpp b/test/test_main.cpp
index 8985bcc..20f2540 100644
--- a/test/test_main.cpp
+++ b/test/test_main.cpp
@@ -9,6 +9,15 @@
 static bool isExec = false;
 static const char *shortStr = "Client Hello";
 static const char *LongStr = "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello";
+static const char *LongLongStr = "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello"
+                                 "Client HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient HelloClient Hello";
 
 class Transmit : public Transmission::Transmit {
 private:
@@ -23,7 +32,9 @@ public:
             ASSERT_TRUE(strcmp((char *) data.get(), shortStr) == 0);
         else if (type == 2)
             ASSERT_TRUE(strcmp((char *) data.get(), LongStr) == 0);
-        else
+        else if (type == 3) {
+            ASSERT_TRUE(strcmp((char *) data.get(), LongLongStr) == 0);
+        } else
             ASSERT_TRUE(false);
         isExec = true;
     }
@@ -62,4 +73,8 @@ TEST(Transmit测试, 1) {
     transmitWrite.sendData((unsigned char *) LongStr, strlen(LongStr) + 1, 2);
     transmitRead.read();
     ASSERT_TRUE(isExec);
+    isExec = false;
+    transmitWrite.sendData((unsigned char *) LongLongStr, strlen(LongLongStr) + 1, 3);
+    transmitRead.read();
+    ASSERT_TRUE(isExec);
 }
\ No newline at end of file