diff --git a/src/org/redkale/source/DataSqlSource.java b/src/org/redkale/source/DataSqlSource.java
index 5339ea8fe..a6080ca5c 100644
--- a/src/org/redkale/source/DataSqlSource.java
+++ b/src/org/redkale/source/DataSqlSource.java
@@ -937,13 +937,13 @@ public abstract class DataSqlSource<DBChannel> extends AbstractService implement
             Attribute<T, Serializable> attr = info.getUpdateAttribute(col.getColumn());
             if (attr == null) throw new RuntimeException(info.getType() + " cannot found column " + col.getColumn());
             if (setsql.length() > 0) setsql.append(", ");
-            String c = info.getSQLColumn(null, col.getColumn());
+            String sqlColumn = info.getSQLColumn(null, col.getColumn());
             if (col.getValue() instanceof byte[]) {
                 if (blobs == null) blobs = new ArrayList<>();
                 blobs.add((byte[]) col.getValue());
-                setsql.append(c).append(" = ").append(prepareParamSign(++index));
+                setsql.append(sqlColumn).append(" = ").append(prepareParamSign(++index));
             } else {
-                setsql.append(c).append(" = ").append(info.formatSQLValue(c, attr, col, sqlFormatter));
+                setsql.append(sqlColumn).append(" = ").append(info.formatSQLValue(sqlColumn, attr, col, sqlFormatter));
             }
         }
         if (setsql.length() < 1) return CompletableFuture.completedFuture(0);
@@ -1019,13 +1019,13 @@ public abstract class DataSqlSource<DBChannel> extends AbstractService implement
             Attribute<T, Serializable> attr = info.getUpdateAttribute(col.getColumn());
             if (attr == null) continue;
             if (setsql.length() > 0) setsql.append(", ");
-            String c = info.getSQLColumn(alias, col.getColumn());
+            String sqlColumn = info.getSQLColumn(alias, col.getColumn());
             if (col.getValue() instanceof byte[]) {
                 if (blobs == null) blobs = new ArrayList<>();
                 blobs.add((byte[]) col.getValue());
-                setsql.append(c).append(" = ").append(prepareParamSign(++index));
+                setsql.append(sqlColumn).append(" = ").append(prepareParamSign(++index));
             } else {
-                setsql.append(c).append(" = ").append(info.formatSQLValue(c, attr, col, sqlFormatter));
+                setsql.append(sqlColumn).append(" = ").append(info.formatSQLValue(sqlColumn, attr, col, sqlFormatter));
             }
         }
         if (setsql.length() < 1) return CompletableFuture.completedFuture(0);
diff --git a/src/org/redkale/source/EntityInfo.java b/src/org/redkale/source/EntityInfo.java
index 15c1e6309..b69a97c36 100644
--- a/src/org/redkale/source/EntityInfo.java
+++ b/src/org/redkale/source/EntityInfo.java
@@ -989,31 +989,31 @@ public final class EntityInfo<T> {
     /**
      * 拼接UPDATE给字段赋值的SQL片段
      *
-     * @param col       表字段名
+     * @param sqlColumn       表字段名
      * @param attr      Attribute
      * @param cv        ColumnValue
      * @param formatter 转义器
      *
      * @return CharSequence
      */
-    protected CharSequence formatSQLValue(String col, Attribute<T, Serializable> attr, final ColumnValue cv, BiFunction<EntityInfo, Object, CharSequence> formatter) {
+    protected CharSequence formatSQLValue(String sqlColumn, Attribute<T, Serializable> attr, final ColumnValue cv, BiFunction<EntityInfo, Object, CharSequence> formatter) {
         if (cv == null) return null;
         Object val = cv.getValue();
         CryptHandler handler = attr.attach();
         if (handler != null) val = handler.encrypt(val);
         switch (cv.getExpress()) {
             case INC:
-                return new StringBuilder().append(col).append(" + ").append(val);
+                return new StringBuilder().append(sqlColumn).append(" + ").append(val);
             case MUL:
-                return new StringBuilder().append(col).append(" * ").append(val);
+                return new StringBuilder().append(sqlColumn).append(" * ").append(val);
             case DIV:
-                return new StringBuilder().append(col).append(" / ").append(val);
+                return new StringBuilder().append(sqlColumn).append(" / ").append(val);
             case MOD:
-                return new StringBuilder().append(col).append(" % ").append(val);
+                return new StringBuilder().append(sqlColumn).append(" % ").append(val);
             case AND:
-                return new StringBuilder().append(col).append(" & ").append(val);
+                return new StringBuilder().append(sqlColumn).append(" & ").append(val);
             case ORR:
-                return new StringBuilder().append(col).append(" | ").append(val);
+                return new StringBuilder().append(sqlColumn).append(" | ").append(val);
             case MOV:
                 return formatter == null ? formatToString(val) : formatter.apply(this, val);
         }