diff --git a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rule/EncryptRule.java b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rule/EncryptRule.java
index 47229af85db2e..45af218cb4e83 100644
--- a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rule/EncryptRule.java
+++ b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rule/EncryptRule.java
@@ -144,7 +144,9 @@ public Optional<EncryptAlgorithm> findEncryptor(final String logicTable, final S
      */
     public List<Object> getEncryptValues(final String logicTable, final String logicColumn, final List<Object> originalValues) {
         Optional<EncryptAlgorithm> encryptor = findEncryptor(logicTable, logicColumn);
-        Preconditions.checkArgument(encryptor.isPresent(), String.format("Can not find QueryAssistedEncryptAlgorithm by %s.%s.", logicTable, logicColumn));
+        if (!encryptor.isPresent()) {
+            throw new IllegalArgumentException(String.format("Can not find QueryAssistedEncryptAlgorithm by %s.%s.", logicTable, logicColumn));
+        }
         return originalValues.stream().map(input -> null == input ? null : String.valueOf(encryptor.get().encrypt(input.toString()))).collect(Collectors.toList());
     }
     
diff --git a/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/common/constant/QuoteCharacter.java b/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/common/constant/QuoteCharacter.java
index 90fe63a3214fe..aa53f0f69a53c 100644
--- a/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/common/constant/QuoteCharacter.java
+++ b/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/common/constant/QuoteCharacter.java
@@ -64,6 +64,6 @@ public static QuoteCharacter getQuoteCharacter(final String value) {
      * @return wrapped value
      */
     public String wrap(final String value) {
-        return String.format("%s%s%s", startDelimiter, value, endDelimiter);
+        return startDelimiter + value + endDelimiter;
     }
 }