diff --git a/src/defaultHandler.ts b/src/defaultHandler.ts
index 81398e1..d98d186 100644
--- a/src/defaultHandler.ts
+++ b/src/defaultHandler.ts
@@ -181,7 +181,7 @@ export class Handler {
                     const attrData = tableD[keys[j]];
                     if (attrData == null) {
                         create.appendEnding(handler.querys.addColumn(handler, a));
-                        changePrimary = true;
+                        if (a.ops.primaryKey) changePrimary = true;
                     } else if (
                         !handler.builders.compareDatatypes(handler, a.type, attrData.Type) ||
                         a.ops.default != attrData.Default ||
@@ -193,14 +193,18 @@ export class Handler {
                             (!!a.ops.notNull || !!a.ops.autoIncrement || !!a.ops.primaryKey), (attrData.Null == "NO"), "|",
                             (!!a.ops.autoIncrement), (attrData.Extra == "auto_increment"));*/
                         freeForUpdate(a.name, a.table.dbLangTableName);
-                        if (a.ops.autoIncrement)
+                        if (a.ops.autoIncrement) {
+                            a.ops.autoIncrement = false;
                             create.appendEnding(handler.querys.changeColumn(handler, a));
+                            a.ops.autoIncrement = true;
+                            connst.appendEnding(handler.querys.changeColumn(handler, a));
+                        }
+                        else create.appendEnding(handler.querys.changeColumn(handler, a));
                     }
-                    if (attrData == null) {
-                        changePrimary = true;
-                    } else {
+                    if (attrData != null) {
                         if ((attrData.Key == "PRI") != (!!a.ops.primaryKey)) {
                             freeForUpdate(a.name, a.table.dbLangTableName);
+                            console.log("206");
                             changePrimary = true;
                         }
                     }
@@ -454,7 +458,7 @@ export class Handler {
             let primaAttr = Object.entries(table.dbLangTableAttributes)
                 .filter(([n, attr]) => !!attr.ops.primaryKey);
             const qb = new QueryBuilder();
-            if(primaAttr.length == 0) return qb;
+            if (primaAttr.length == 0) return qb;
             qb.addCode("ALTER TABLE ");
             qb.addCode(table.serialize(handler));
             qb.addCode(" add PRIMARY KEY if not exists (");