diff --git a/config.js b/config.js
index 99be5d7..dc6b3b8 100644
--- a/config.js
+++ b/config.js
@@ -11,9 +11,13 @@ module.exports = {
     'numeric': 'DECIMAL',
     'varchar': 'VARCHAR',
     'timestamp': 'TIMESTAMP',
+    'timestamptz': 'TIMESTAMP',  // PostgreSQL timestamp with time zone
     'bool': 'BIT',
     'text': 'TEXT',
-    'bytea': 'BLOB'
+    'bytea': 'BLOB',
+    'float8': 'DOUBLE',          // PostgreSQL double precision
+    'float4': 'REAL',            // PostgreSQL real/float
+    'float': 'REAL'              // 通用float
   },
 
   // 序列DEFAULT值转换规则
diff --git a/converter.js b/converter.js
index a66a345..817ede2 100644
--- a/converter.js
+++ b/converter.js
@@ -43,8 +43,8 @@ class PG2DMConverter {
   convertDataTypes(sql) {
     let converted = sql;
     
-    // 1. 转换基本类型
-    const typePattern = /\b(int8|int4|int2|numeric|bool)\b/gi;
+    // 1. 转换基本类型（包括浮点类型和时间戳类型）
+    const typePattern = /\b(int8|int4|int2|numeric|bool|float8|float4|float|timestamptz)\b/gi;
     
     converted = converted.replace(typePattern, (match) => {
       const lowerMatch = match.toLowerCase();