diff --git a/application/admin/library/traits/Backend.php b/application/admin/library/traits/Backend.php
index 1ed9d9f7eb654197c8d3229dbd0d67c1d3246bed..a006fc2b274298a1679f7fac412db9673270b444 100755
--- a/application/admin/library/traits/Backend.php
+++ b/application/admin/library/traits/Backend.php
@@ -128,7 +128,7 @@ trait Backend
                 } catch (PDOException $e) {
                     Db::rollback();
                     $this->error($e->getMessage());
-                } catch (Exception $e) {
+                } catch (\Exception $e) {
                     Db::rollback();
                     $this->error($e->getMessage());
                 }
@@ -179,7 +179,7 @@ trait Backend
                 } catch (PDOException $e) {
                     Db::rollback();
                     $this->error($e->getMessage());
-                } catch (Exception $e) {
+                } catch (\Exception $e) {
                     Db::rollback();
                     $this->error($e->getMessage());
                 }
@@ -218,7 +218,7 @@ trait Backend
             } catch (PDOException $e) {
                 Db::rollback();
                 $this->error($e->getMessage());
-            } catch (Exception $e) {
+            } catch (\Exception $e) {
                 Db::rollback();
                 $this->error($e->getMessage());
             }
@@ -255,7 +255,7 @@ trait Backend
         } catch (PDOException $e) {
             Db::rollback();
             $this->error($e->getMessage());
-        } catch (Exception $e) {
+        } catch (\Exception $e) {
             Db::rollback();
             $this->error($e->getMessage());
         }
@@ -291,7 +291,7 @@ trait Backend
         } catch (PDOException $e) {
             Db::rollback();
             $this->error($e->getMessage());
-        } catch (Exception $e) {
+        } catch (\Exception $e) {
             Db::rollback();
             $this->error($e->getMessage());
         }
@@ -327,7 +327,7 @@ trait Backend
                     } catch (PDOException $e) {
                         Db::rollback();
                         $this->error($e->getMessage());
-                    } catch (Exception $e) {
+                    } catch (\Exception $e) {
                         Db::rollback();
                         $this->error($e->getMessage());
                     }