diff --git a/src/main/java/com/actiontech/dble/net/mysql/BinaryRowDataPacket.java b/src/main/java/com/actiontech/dble/net/mysql/BinaryRowDataPacket.java
index 5cebed92f1..d3505a0f45 100644
--- a/src/main/java/com/actiontech/dble/net/mysql/BinaryRowDataPacket.java
+++ b/src/main/java/com/actiontech/dble/net/mysql/BinaryRowDataPacket.java
@@ -11,6 +11,7 @@
 import com.actiontech.dble.net.connection.AbstractConnection;
 import com.actiontech.dble.net.service.AbstractService;
 import com.actiontech.dble.net.service.WriteFlags;
+import com.actiontech.dble.plan.common.field.FieldUtil;
 import com.actiontech.dble.statistic.sql.StatisticListener;
 import com.actiontech.dble.util.ByteUtil;
 import com.actiontech.dble.util.DateUtil;
@@ -91,6 +92,7 @@ private void storeNullBitMap(int i) {
     private void convert(byte[] fv, FieldPacket fieldPk) {
 
         int fieldType = fieldPk.getType();
+        boolean unsigned = (fieldPk.getFlags() & FieldUtil.UNSIGNED_FLAG) != 0;
         switch (fieldType) {
             case Fields.FIELD_TYPE_STRING:
             case Fields.FIELD_TYPE_VARCHAR:
@@ -118,8 +120,14 @@ private void convert(byte[] fv, FieldPacket fieldPk) {
 
                 // Example
                 // 01 00 00 00 00 00 00 00 -- int64 = 1
-                long longVar = ByteUtil.getLong(fv);
-                this.fieldValues.add(ByteUtil.getBytes(longVar));
+                if (unsigned) {
+                    long longVar = ByteUtil.getUnsignedLong(fv);
+                    this.fieldValues.add(ByteUtil.getBytes(longVar));
+                } else {
+                    long longVar = ByteUtil.getLong(fv);
+                    this.fieldValues.add(ByteUtil.getBytes(longVar));
+                }
+
                 break;
             case Fields.FIELD_TYPE_LONG:
             case Fields.FIELD_TYPE_INT24:
@@ -128,8 +136,14 @@ private void convert(byte[] fv, FieldPacket fieldPk) {
 
                 // Example
                 // 01 00 00 00 -- int32 = 1
-                int intVar = ByteUtil.getInt(fv);
-                this.fieldValues.add(ByteUtil.getBytes(intVar));
+                if (unsigned) {
+                    int intVar = ByteUtil.getUnsignedInt(fv);
+                    this.fieldValues.add(ByteUtil.getBytes(intVar));
+                } else {
+                    int intVar = ByteUtil.getInt(fv);
+                    this.fieldValues.add(ByteUtil.getBytes(intVar));
+                }
+
                 break;
             case Fields.FIELD_TYPE_SHORT:
             case Fields.FIELD_TYPE_YEAR:
diff --git a/src/main/java/com/actiontech/dble/util/ByteUtil.java b/src/main/java/com/actiontech/dble/util/ByteUtil.java
index b99254d733..dd145ec535 100644
--- a/src/main/java/com/actiontech/dble/util/ByteUtil.java
+++ b/src/main/java/com/actiontech/dble/util/ByteUtil.java
@@ -159,6 +159,12 @@ public static int getInt(byte[] bytes) {
         // (bytes[2] << 16)) | (0xff000000 & (bytes[3] << 24));
     }
 
+    public static int getUnsignedInt(byte[] bytes) {
+        return Integer.parseUnsignedInt(new String(bytes));
+        // return (0xff & bytes[0]) | (0xff00 & (bytes[1] << 8)) | (0xff0000 &
+        // (bytes[2] << 16)) | (0xff000000 & (bytes[3] << 24));
+    }
+
     public static long getLong(byte[] bytes) {
         return Long.parseLong(new String(bytes));
         // return(0xffL & (long)bytes[0]) | (0xff00L & ((long)bytes[1] << 8)) |
@@ -169,6 +175,16 @@ public static long getLong(byte[] bytes) {
         // 48)) | (0xff00000000000000L & ((long)bytes[7] << 56));
     }
 
+    public static long getUnsignedLong(byte[] bytes) {
+        return Long.parseUnsignedLong(new String(bytes));
+        // return(0xffL & (long)bytes[0]) | (0xff00L & ((long)bytes[1] << 8)) |
+        // (0xff0000L & ((long)bytes[2] << 16)) | (0xff000000L & ((long)bytes[3]
+        // << 24))
+        // | (0xff00000000L & ((long)bytes[4] << 32)) | (0xff0000000000L &
+        // ((long)bytes[5] << 40)) | (0xff000000000000L & ((long)bytes[6] <<
+        // 48)) | (0xff00000000000000L & ((long)bytes[7] << 56));
+    }
+
     public static double getDouble(byte[] bytes) {
         return Double.parseDouble(new String(bytes));
     }