diff --git a/README.md b/README.md
index 98a7776..bd0900d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
-![Publish Github Package](https://github.com/letsfullstack/loopback-connector-postgresql/workflows/Publish%20Github%20Package/badge.svg)
+ ![Publish Github Package](https://github.com/letsfullstack/loopback-connector-postgresql/workflows/Publish%20Github%20Package/badge.svg)
+
+# Loopback PostgreSQL Connector no projeto ArboBackend
+
+Faça o NPM install desse projeto e copie a pasta para node_modules/@letscomunica/loopback-connector-postgresql ( substitua a página caso exita )
 
 # Loopback PostgreSQL Connector
 
diff --git a/lib/migration.js b/lib/migration.js
index eeaf52c..4636d91 100644
--- a/lib/migration.js
+++ b/lib/migration.js
@@ -224,9 +224,9 @@ function mixinMigration(PostgreSQL) {
       if (self.idColumn(model) === actualField.column) {
         return;
       }
-      if (actualFieldNotPresentInModel(actualField, model)) {
-        sql.push('DROP COLUMN ' + self.escapeName(actualField.column));
-      }
+      // if (actualFieldNotPresentInModel(actualField, model)) {
+      //   sql.push('DROP COLUMN ' + self.escapeName(actualField.column));
+      // }
     });
     if (sql.length > 0) {
       sql = [sql.join(', ')];
@@ -559,7 +559,7 @@ function mixinMigration(PostgreSQL) {
       propName = propName && self.propertyName(model, propName[1]) || null;
       if (!(indexNames.indexOf(indexName) > -1) && !(propName && m.properties[propName] &&
       m.properties[propName].index)) {
-        sql.push('DROP INDEX ' + self.escapeName(indexName));
+        // sql.push('DROP INDEX ' + self.escapeName(indexName));
       } else {
         // The index was found, verify that database matches what we're expecting.
         // first: check single column indexes.
@@ -571,7 +571,7 @@ function mixinMigration(PostgreSQL) {
               !((!si.type || si.type === ai[indexName].type) && (!si.unique || si.unique === ai[indexName].unique))
             ) {
               // Drop the index if the type or unique differs from the actual table
-              sql.push('DROP INDEX ' + self.escapeName(indexName));
+              // sql.push('DROP INDEX ' + self.escapeName(indexName));
               delete ai[indexName];
             }
           }
@@ -597,7 +597,7 @@ function mixinMigration(PostgreSQL) {
           }
 
           if (!identical) {
-            sql.push('DROP INDEX ' + self.escapeName(indexName));
+            // sql.push('DROP INDEX ' + self.escapeName(indexName));
             delete ai[indexName];
           }
         }
diff --git a/lib/postgresql.js b/lib/postgresql.js
index 0a8a26c..13ace3e 100644
--- a/lib/postgresql.js
+++ b/lib/postgresql.js
@@ -123,12 +123,6 @@ PostgreSQL.prototype.executeSQL = function(sql, params, options, callback) {
     debug('SQL: %s', sql);
   }
 
-  if (sql && sql.match('UPDATE') && !sql.match('WHERE') && self.settings.blockUpdateWithoutWhere) {
-    return process.nextTick(function() {
-      callback(new Error(g.f('Você está executando um update sem WHERE. Corrija essa query, meu caro:',sql)));
-    });
-  }
-
   function executeWithConnection(connection, done) {
     connection.query(sql, params, function(err, data) {
       // if(err) console.error(err);
diff --git a/package.json b/package.json
index 00a987f..105d831 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "bluebird": "^3.4.6",
     "debug": "^3.1.0",
     "loopback-connector": "^4.2.2",
-    "pg": "^7.0.0",
+    "pg": "^8.11.3",
     "strong-globalize": "^3.1.0",
     "uuid": "^3.0.1"
   },