diff --git a/client/src/main/java/com/vesoft/nebula/encoder/RowWriterImpl.java b/client/src/main/java/com/vesoft/nebula/encoder/RowWriterImpl.java
index 4a3725ef6..c2cb08b72 100644
--- a/client/src/main/java/com/vesoft/nebula/encoder/RowWriterImpl.java
+++ b/client/src/main/java/com/vesoft/nebula/encoder/RowWriterImpl.java
@@ -638,7 +638,6 @@ public void write(int index, DateTime v) {
 
     @Override
     public void write(int index, Geography v) {
-        System.out.println("write(index, geography), " + index);
         SchemaProvider.Field field = schema.field(index);
         PropertyType typeEnum = PropertyType.findByValue(field.type());
         if (typeEnum == null) {
@@ -658,11 +657,6 @@ public void write(int index, Geography v) {
                          .WKBWriter(2, ByteOrderValues.LITTLE_ENDIAN)
                          .write(jtsGeom);
         write(index, wkb);
-        String hexedWKb = Hex.encodeHexString(wkb);
-        System.out.println("write(index, geography), wkb.size()=" + wkb.length
-                           + ", wkb.content=" + wkb);
-        System.out.println("write(index, geography), hexedWKb.size()=" + hexedWKb.length()
-                           + ", hexedWKb.content=" + hexedWKb);
     }
 
     @Override
@@ -707,7 +701,6 @@ public void setValue(int index, Object value) {
         } else if (value instanceof DateTime) {
             write(index, (DateTime)value);
         } else if (value instanceof Geography) {
-            System.out.println("jie, " + index + ", setValue(index, Object) for geography");
             write(index, (Geography)value);
         } else {
             throw new RuntimeException("Unsupported value object `" + value.getClass() + "\"");
@@ -752,7 +745,6 @@ public void setValue(int index, Value value) {
                 write(index, value.getDtVal());
                 break;
             case Value.GGVAL:
-                System.out.println("jie, " + index + ", setValue(index, value) for geography");
                 write(index, value.getGgVal());
                 break;
             default:
diff --git a/client/src/test/java/com/vesoft/nebula/encoder/TestEncoder.java b/client/src/test/java/com/vesoft/nebula/encoder/TestEncoder.java
index 0a937c85f..d66a44f22 100644
--- a/client/src/test/java/com/vesoft/nebula/encoder/TestEncoder.java
+++ b/client/src/test/java/com/vesoft/nebula/encoder/TestEncoder.java
@@ -273,10 +273,6 @@ public void testEncodeVertexValue() {
             // File file = new File("encode_java.txt");
             // FileOutputStream fileOutputStream = new FileOutputStream(file);
             // fileOutputStream.write(encodeStr);
-            System.out.println("hex vs expect");
-            System.out.println(hexStr);
-            System.out.println("***********");
-            System.out.println(allTypeValueExpectResult);
             Assert.assertArrayEquals(allTypeValueExpectResult.getBytes(),
                 hexStr.substring(0, hexStr.length() - 16).getBytes());
         } catch (Exception exception) {