diff --git a/code/java/天气灾害预警/disaster_warning.iws b/code/java/天气灾害预警/disaster_warning.iws
index 9ac8e35..a7a2b2b 100644
--- a/code/java/天气灾害预警/disaster_warning.iws
+++ b/code/java/天气灾害预警/disaster_warning.iws
@@ -5,10 +5,8 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="59c1e2ec-34de-447f-b370-673ce36f3f54" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/src/main/java/com/cpic/xim/config/db/OracleConfig.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/db.json" beforeDir="false" afterPath="$PROJECT_DIR$/db.json" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/main/java/com/cpic/xim/config/db/DBTable.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/disaster_warning.iws" beforeDir="false" afterPath="$PROJECT_DIR$/disaster_warning.iws" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -358,6 +356,8 @@
       <workItem from="1647833533865" duration="634000" />
       <workItem from="1647850946832" duration="870000" />
       <workItem from="1647913554783" duration="4765000" />
+      <workItem from="1648360359477" duration="722000" />
+      <workItem from="1648366561803" duration="1183000" />
     </task>
     <servers />
   </component>
diff --git a/code/java/天气灾害预警/src/main/java/com/cpic/xim/config/db/DBTable.java b/code/java/天气灾害预警/src/main/java/com/cpic/xim/config/db/DBTable.java
new file mode 100644
index 0000000..9843d27
--- /dev/null
+++ b/code/java/天气灾害预警/src/main/java/com/cpic/xim/config/db/DBTable.java
@@ -0,0 +1,52 @@
+package com.cpic.xim.config.db;
+
+import java.util.Objects;
+
+public class DBTable
+{
+    public DBTable() {}
+
+    public String getTableName()
+    {
+        return tableName;
+    }
+
+    public void setTableName( String tableName )
+    {
+        this.tableName = tableName;
+    }
+
+    public String getTableDescription()
+    {
+        return tableDescription;
+    }
+
+    public void setTableDescription( String tableDescription )
+    {
+        this.tableDescription = tableDescription;
+    }
+
+    @Override
+    public boolean equals( Object o )
+    {
+        if ( this == o )
+        {
+            return true;
+        }
+        if ( !( o instanceof DBTable ) )
+        {
+            return false;
+        }
+        DBTable dbTable = (DBTable) o;
+        return tableName.equals( dbTable.tableName ) && tableDescription.equals( dbTable.tableDescription );
+    }
+
+    @Override
+    public int hashCode()
+    {
+        return Objects.hash( tableName, tableDescription );
+    }
+
+    private String tableName;
+    private String tableDescription;
+}