diff --git a/be/src/common/config.h b/be/src/common/config.h
index 2c7aa0dc2b..78fd9b32e2 100644
--- a/be/src/common/config.h
+++ b/be/src/common/config.h
@@ -190,7 +190,7 @@ namespace config {
     // push_write_mbytes_per_sec
     CONF_Int32(push_write_mbytes_per_sec, "10");
 
-    CONF_Int64(column_dictionary_key_ration_threshold, "0");
+    CONF_Int64(column_dictionary_key_ratio_threshold, "0");
     CONF_Int64(column_dictionary_key_size_threshold, "0");
     // if true, output IR after optimization passes
     CONF_Bool(dump_ir, "false");
diff --git a/be/src/olap/rowset/column_writer.cpp b/be/src/olap/rowset/column_writer.cpp
index 4d3e577c76..755111600c 100755
--- a/be/src/olap/rowset/column_writer.cpp
+++ b/be/src/olap/rowset/column_writer.cpp
@@ -695,7 +695,7 @@ OLAPStatus VarStringColumnWriter::_finalize_direct_encoding() {
 
 OLAPStatus VarStringColumnWriter::finalize(ColumnDataHeaderMessage* header) {
     OLAPStatus res = OLAP_SUCCESS;
-    uint64_t ratio_threshold = config::column_dictionary_key_ration_threshold;
+    uint64_t ratio_threshold = config::column_dictionary_key_ratio_threshold;
     uint64_t size_threshold = config::column_dictionary_key_size_threshold;
 
     // the dictionary condition:1 key size < size threshold; 2 key ratio < ratio threshold