diff --git a/designer-base/src/main/java/com/fr/design/mainframe/authority/DSColumnAuthorityChecker.java b/designer-base/src/main/java/com/fr/design/mainframe/authority/DSColumnAuthorityChecker.java
index 7a4ae7ce7..fdab6ea2a 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/authority/DSColumnAuthorityChecker.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/authority/DSColumnAuthorityChecker.java
@@ -1,6 +1,7 @@
 package com.fr.design.mainframe.authority;
 
 import com.fr.report.cell.cellattr.core.group.DSColumn;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -9,6 +10,7 @@ import java.util.Set;
 public class DSColumnAuthorityChecker extends ElementAuthorityChecker<DSColumn> {
 
     @Override
+    @Nullable
     Set<String> getNoAuthDatasetNames(DSColumn dsColumn, Set<String> authDatasetNames) {
         if (!authDatasetNames.contains(dsColumn.getDSName())) {
             return new HashSet<>(Arrays.asList(dsColumn.getDSName()));
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/authority/ElementAuthorityChecker.java b/designer-base/src/main/java/com/fr/design/mainframe/authority/ElementAuthorityChecker.java
index 3851406e7..67d0f1da3 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/authority/ElementAuthorityChecker.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/authority/ElementAuthorityChecker.java
@@ -1,5 +1,6 @@
 package com.fr.design.mainframe.authority;
 
+import org.jetbrains.annotations.Nullable;
 import sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl;
 
 import java.lang.reflect.Type;
@@ -15,10 +16,11 @@ public abstract class ElementAuthorityChecker<T> {
      * @param: authConnectionNames 有权限的数据连接名
      * @return 如果有返回名称，没有返回null
      */
+    @Nullable
     Set<String> getNoAuthConnectionNames(T t, Set<String> authConnectionNames) {
         return null;
     }
-    
+
 
     /**
      * @Description 获取越权的服务器数据集
@@ -26,6 +28,7 @@ public abstract class ElementAuthorityChecker<T> {
      * @param: authDatasetNames 有权限的服务器数据集名
      * @return 如果有返回名称，没有返回null
      */
+    @Nullable
     Set<String> getNoAuthDatasetNames(T t, Set<String> authDatasetNames) {
         return null;
     }
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/authority/FormulaAuthorityChecker.java b/designer-base/src/main/java/com/fr/design/mainframe/authority/FormulaAuthorityChecker.java
index 73a3965a7..d108c18d4 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/authority/FormulaAuthorityChecker.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/authority/FormulaAuthorityChecker.java
@@ -1,6 +1,7 @@
 package com.fr.design.mainframe.authority;
 
 import com.fr.base.Formula;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -9,11 +10,13 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public class FormulaAuthorityChecker extends ElementAuthorityChecker<Formula> {
+    private static final Pattern FORMULA_PATTERN = Pattern.compile("^=SQL\\(\"(.+?)\",");
+
     @Override
+    @Nullable
     public Set<String> getNoAuthConnectionNames(Formula formula, Set<String> authConnectionNames) {
         String content = formula.getContent();
-        Pattern pattern = Pattern.compile("^=SQL\\(\"(.+?)\",");
-        Matcher matcher = pattern.matcher(content);
+        Matcher matcher = FORMULA_PATTERN.matcher(content);
         if (matcher.find()) {
             if (!authConnectionNames.contains(matcher.group(1))) {
                 return new HashSet<>(Arrays.asList(matcher.group(1)));
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/authority/NameDatabaseConnectionAuthorityChecker.java b/designer-base/src/main/java/com/fr/design/mainframe/authority/NameDatabaseConnectionAuthorityChecker.java
index 4a7183f53..96bc0b8c5 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/authority/NameDatabaseConnectionAuthorityChecker.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/authority/NameDatabaseConnectionAuthorityChecker.java
@@ -1,6 +1,7 @@
 package com.fr.design.mainframe.authority;
 
 import com.fr.data.impl.NameDatabaseConnection;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -9,6 +10,7 @@ import java.util.stream.Collectors;
 
 public class NameDatabaseConnectionAuthorityChecker extends ElementAuthorityChecker<NameDatabaseConnection> {
     @Override
+    @Nullable
     Set<String> getNoAuthConnectionNames(NameDatabaseConnection nameDatabaseConnection, Set<String> authConnectionNames) {
         String name = nameDatabaseConnection.getName();
         if (!authConnectionNames.contains(name)) {
diff --git a/designer-base/src/main/java/com/fr/design/mainframe/authority/NameTableDataAuthorityChecker.java b/designer-base/src/main/java/com/fr/design/mainframe/authority/NameTableDataAuthorityChecker.java
index 498c04af4..13e730085 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/authority/NameTableDataAuthorityChecker.java
+++ b/designer-base/src/main/java/com/fr/design/mainframe/authority/NameTableDataAuthorityChecker.java
@@ -1,6 +1,7 @@
 package com.fr.design.mainframe.authority;
 
 import com.fr.data.impl.NameTableData;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -8,6 +9,7 @@ import java.util.Set;
 
 public class NameTableDataAuthorityChecker extends ElementAuthorityChecker<NameTableData> {
     @Override
+    @Nullable
     Set<String> getNoAuthDatasetNames(NameTableData nameTableData, Set<String> authDatasetNames) {
         if (!authDatasetNames.contains(nameTableData.getName())) {
             return new HashSet<>(Arrays.asList(nameTableData.getName()));