diff --git a/CHANGES.md b/CHANGES.md
index 233e862bba4..7a947731ec0 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -16,6 +16,7 @@ Apollo 2.2.0
 * [Fix OIDC logout unnecessary redirect](https://github.com/apolloconfig/apollo/pull/4773)
 * [[Multi-Database Support] Introduce h2 postgre profile properties to let user config database config](https://github.com/apolloconfig/apollo/pull/4766)
 * [[Multi-Database Support] Optimize column define case sensitivity](https://github.com/apolloconfig/apollo/pull/4776)
+* [[Multi-Database Support][pg] Where clause need escape, otherwise will request postgre use lowwer case](https://github.com/apolloconfig/apollo/pull/4780)
 
 ------------------
 All issues and pull requests are [here](https://github.com/apolloconfig/apollo/milestone/13?closed=1)
\ No newline at end of file
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/AccessKey.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/AccessKey.java
index fc4cc18c2a6..346cbdd3f14 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/AccessKey.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/AccessKey.java
@@ -27,7 +27,7 @@
 @Entity
 @Table(name = "`AccessKey`")
 @SQLDelete(sql = "Update AccessKey set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class AccessKey extends BaseEntity {
 
   @Column(name = "`AppId`", nullable = false)
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Audit.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Audit.java
index a1311ed8d88..fa851bf11d4 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Audit.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Audit.java
@@ -28,7 +28,7 @@
 @Entity
 @Table(name = "`Audit`")
 @SQLDelete(sql = "Update Audit set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Audit extends BaseEntity {
 
   public enum OP {
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Cluster.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Cluster.java
index b1ad5500f69..d632fbc57ec 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Cluster.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Cluster.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`Cluster`")
 @SQLDelete(sql = "Update Cluster set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Cluster extends BaseEntity implements Comparable<Cluster> {
 
   @Column(name = "`Name`", nullable = false)
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Commit.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Commit.java
index dee8866028c..96430e6bdbb 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Commit.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Commit.java
@@ -29,7 +29,7 @@
 @Entity
 @Table(name = "`Commit`")
 @SQLDelete(sql = "Update Commit set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Commit extends BaseEntity {
 
   @Lob
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/GrayReleaseRule.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/GrayReleaseRule.java
index 2865c085b32..9311f0363f2 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/GrayReleaseRule.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/GrayReleaseRule.java
@@ -28,7 +28,7 @@
 @Entity
 @Table(name = "`GrayReleaseRule`")
 @SQLDelete(sql = "Update GrayReleaseRule set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class GrayReleaseRule extends BaseEntity{
 
   @Column(name = "`AppId`", nullable = false)
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Item.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Item.java
index 17f3194a540..2c6752cdc58 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Item.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Item.java
@@ -29,7 +29,7 @@
 @Entity
 @Table(name = "`Item`")
 @SQLDelete(sql = "Update Item set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Item extends BaseEntity {
 
   @Column(name = "`NamespaceId`", nullable = false)
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Namespace.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Namespace.java
index 7ca70aaec69..b365eb91c66 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Namespace.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Namespace.java
@@ -28,7 +28,7 @@
 @Entity
 @Table(name = "`Namespace`")
 @SQLDelete(sql = "Update Namespace set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Namespace extends BaseEntity {
 
   @Column(name = "`AppId`", nullable = false)
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/NamespaceLock.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/NamespaceLock.java
index 1fe1512ce9b..9c1312451b0 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/NamespaceLock.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/NamespaceLock.java
@@ -26,7 +26,7 @@
 
 @Entity
 @Table(name = "`NamespaceLock`")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class NamespaceLock extends BaseEntity{
 
   @Column(name = "`NamespaceId`")
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Privilege.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Privilege.java
index 8d0a368533d..d1f346844f4 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Privilege.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Privilege.java
@@ -28,7 +28,7 @@
 @Entity
 @Table(name = "`Privilege`")
 @SQLDelete(sql = "Update Privilege set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Privilege extends BaseEntity {
 
   @Column(name = "`Name`", nullable = false)
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Release.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Release.java
index b415e4cccb2..e7d65743a3c 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Release.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/Release.java
@@ -32,7 +32,7 @@
 @Entity
 @Table(name = "`Release`")
 @SQLDelete(sql = "Update Release set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Release extends BaseEntity {
   @Column(name = "`ReleaseKey`", nullable = false)
   private String releaseKey;
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ReleaseHistory.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ReleaseHistory.java
index a7d1568b300..9aa594d8741 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ReleaseHistory.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ReleaseHistory.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`ReleaseHistory`")
 @SQLDelete(sql = "Update ReleaseHistory set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class ReleaseHistory extends BaseEntity {
   @Column(name = "`AppId`", nullable = false)
   private String appId;
diff --git a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ServerConfig.java b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ServerConfig.java
index 353e3cd9840..0d188d0667d 100644
--- a/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ServerConfig.java
+++ b/apollo-biz/src/main/java/com/ctrip/framework/apollo/biz/entity/ServerConfig.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`ServerConfig`")
 @SQLDelete(sql = "Update ServerConfig set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class ServerConfig extends BaseEntity {
   @Column(name = "`Key`", nullable = false)
   private String key;
diff --git a/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/App.java b/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/App.java
index b0a3d7b81d5..0509c647a16 100644
--- a/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/App.java
+++ b/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/App.java
@@ -29,7 +29,7 @@
 @Entity
 @Table(name = "`App`")
 @SQLDelete(sql = "Update App set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class App extends BaseEntity {
 
   @NotBlank(message = "Name cannot be blank")
diff --git a/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/AppNamespace.java b/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/AppNamespace.java
index 6ba559fd6f7..4c2c9cdb68f 100644
--- a/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/AppNamespace.java
+++ b/apollo-common/src/main/java/com/ctrip/framework/apollo/common/entity/AppNamespace.java
@@ -32,7 +32,7 @@
 @Entity
 @Table(name = "`AppNamespace`")
 @SQLDelete(sql = "Update AppNamespace set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class AppNamespace extends BaseEntity {
 
   @NotBlank(message = "AppNamespace Name cannot be blank")
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/Consumer.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/Consumer.java
index 3622cb1ff7b..fd24d750373 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/Consumer.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/Consumer.java
@@ -28,7 +28,7 @@
 @Entity
 @Table(name = "`Consumer`")
 @SQLDelete(sql = "Update Consumer set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Consumer extends BaseEntity {
 
   @Column(name = "`Name`", nullable = false)
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerRole.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerRole.java
index c68bf023cf5..6c5f9b7e32c 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerRole.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerRole.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`ConsumerRole`")
 @SQLDelete(sql = "Update ConsumerRole set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class ConsumerRole extends BaseEntity {
   @Column(name = "`ConsumerId`", nullable = false)
   private long consumerId;
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerToken.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerToken.java
index c6eb9c82832..0d36a09ceff 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerToken.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/openapi/entity/ConsumerToken.java
@@ -33,7 +33,7 @@
 @Entity
 @Table(name = "`ConsumerToken`")
 @SQLDelete(sql = "Update ConsumerToken set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class ConsumerToken extends BaseEntity {
   @Column(name = "`ConsumerId`", nullable = false)
   private long consumerId;
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Favorite.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Favorite.java
index e7a5cdbce4e..f9471d96328 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Favorite.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Favorite.java
@@ -28,7 +28,7 @@
 @Entity
 @Table(name = "`Favorite`")
 @SQLDelete(sql = "Update Favorite set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Favorite extends BaseEntity {
 
   @Column(name = "`AppId`", nullable = false)
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Permission.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Permission.java
index b7341ee6920..6c28d5323ba 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Permission.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Permission.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`Permission`")
 @SQLDelete(sql = "Update Permission set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Permission extends BaseEntity {
   @Column(name = "`PermissionType`", nullable = false)
   private String permissionType;
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Role.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Role.java
index 61927bde35c..6c2bb2cd687 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Role.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/Role.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`Role`")
 @SQLDelete(sql = "Update Role set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class Role extends BaseEntity {
   @Column(name = "`RoleName`", nullable = false)
   private String roleName;
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/RolePermission.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/RolePermission.java
index fb235d656f0..c624aa8011a 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/RolePermission.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/RolePermission.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`RolePermission`")
 @SQLDelete(sql = "Update RolePermission set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class RolePermission extends BaseEntity {
   @Column(name = "`RoleId`", nullable = false)
   private long roleId;
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/ServerConfig.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/ServerConfig.java
index db48eab6b9b..3363a2a9683 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/ServerConfig.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/ServerConfig.java
@@ -32,7 +32,7 @@
 @Entity
 @Table(name = "`ServerConfig`")
 @SQLDelete(sql = "Update ServerConfig set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class ServerConfig extends BaseEntity {
   @NotBlank(message = "ServerConfig.Key cannot be blank")
   @Column(name = "`Key`", nullable = false)
diff --git a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/UserRole.java b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/UserRole.java
index 8d43b3327bc..aa6ab8b28cb 100644
--- a/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/UserRole.java
+++ b/apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/entity/po/UserRole.java
@@ -31,7 +31,7 @@
 @Entity
 @Table(name = "`UserRole`")
 @SQLDelete(sql = "Update UserRole set IsDeleted = true, DeletedAt = ROUND(UNIX_TIMESTAMP(NOW(4))*1000) where Id = ?")
-@Where(clause = "IsDeleted = false")
+@Where(clause = "`IsDeleted` = false")
 public class UserRole extends BaseEntity {
   @Column(name = "`UserId`", nullable = false)
   private String userId;