diff --git a/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleBlobProcessor.java b/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleBlobProcessor.java
index 63b3b54e..6e498af8 100644
--- a/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleBlobProcessor.java
+++ b/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleBlobProcessor.java
@@ -15,7 +15,24 @@ public class OracleBlobProcessor extends DefaultValueProcessor {
 
     @Override
     public String convertSQLValueByType(SQLDataValue dataValue) {
-        return EasyStringUtils.quoteString(dataValue.getBlobHexString());
+        String value = dataValue.getValue();
+        if (value.startsWith("0x")) {
+            // 0xabcd
+            return EasyStringUtils.quoteString(value.substring(2));
+        } else {
+            //example: hello,world
+            for (int i = 0; i < value.length(); i++) {
+                char c = value.charAt(i);
+                boolean isDigit = (c >= '0' && c <= '9');
+                boolean isUpperCaseHex = (c >= 'A' && c <= 'F');
+                boolean isLowerCaseHex = (c >= 'a' && c <= 'f');
+                if (!isDigit && !isUpperCaseHex && !isLowerCaseHex) {
+                    return EasyStringUtils.quoteString(dataValue.getBlobHexString());
+                }
+            }
+            // example: abcd1234
+            return EasyStringUtils.quoteString(value);
+        }
     }
 
     @Override
diff --git a/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleLongRawProcessor.java b/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleLongRawProcessor.java
index 6f3634c1..dba37668 100644
--- a/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleLongRawProcessor.java
+++ b/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleLongRawProcessor.java
@@ -15,7 +15,25 @@ public class OracleLongRawProcessor extends DefaultValueProcessor {
 
     @Override
     public String convertSQLValueByType(SQLDataValue dataValue) {
-        return EasyStringUtils.quoteString(dataValue.getValue());
+        String value = dataValue.getValue();
+        if (value.startsWith("0x")) {
+            // 0xabcd
+            return EasyStringUtils.quoteString(value.substring(2));
+        } else {
+            //example: hello,world
+            // TODO: Need to optimize recognition of hexadecimal strings
+            for (int i = 0; i < value.length(); i++) {
+                char c = value.charAt(i);
+                boolean isDigit = (c >= '0' && c <= '9');
+                boolean isUpperCaseHex = (c >= 'A' && c <= 'F');
+                boolean isLowerCaseHex = (c >= 'a' && c <= 'f');
+                if (!isDigit && !isUpperCaseHex && !isLowerCaseHex) {
+                    return EasyStringUtils.quoteString(dataValue.getBlobHexString());
+                }
+            }
+            // example: abcd1234
+            return EasyStringUtils.quoteString(value);
+        }
     }
 
 
@@ -34,4 +52,9 @@ public class OracleLongRawProcessor extends DefaultValueProcessor {
         return EasyStringUtils.quoteString(blobHexString);
     }
 
+    public static void main(String[] args) {
+        String value = "0x123456";
+        value = value.substring(2);
+        System.out.println("value = " + value);
+    }
 }
diff --git a/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleRawValueProcessor.java b/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleRawValueProcessor.java
index db651780..47d7ed36 100644
--- a/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleRawValueProcessor.java
+++ b/chat2db-server/chat2db-plugins/chat2db-oracle/src/main/java/ai/chat2db/plugin/oracle/value/sub/OracleRawValueProcessor.java
@@ -14,7 +14,24 @@ public class OracleRawValueProcessor extends DefaultValueProcessor {
 
     @Override
     public String convertSQLValueByType(SQLDataValue dataValue) {
-        return EasyStringUtils.quoteString(dataValue.getValue());
+        String value = dataValue.getValue();
+        if (value.startsWith("0x")) {
+            // 0xabcd
+            return EasyStringUtils.quoteString(value.substring(2));
+        } else {
+            //example: hello,world
+            for (int i = 0; i < value.length(); i++) {
+                char c = value.charAt(i);
+                boolean isDigit = (c >= '0' && c <= '9');
+                boolean isUpperCaseHex = (c >= 'A' && c <= 'F');
+                boolean isLowerCaseHex = (c >= 'a' && c <= 'f');
+                if (!isDigit && !isUpperCaseHex && !isLowerCaseHex) {
+                    return EasyStringUtils.quoteString(dataValue.getBlobHexString());
+                }
+            }
+            // example: abcd1234
+            return EasyStringUtils.quoteString(value);
+        }
     }