diff --git a/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java b/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java
index 15f90c7c..41038fc6 100644
--- a/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java
+++ b/src/main/java/com/zzg/mybatis/generator/util/DbUtil.java
@@ -71,6 +71,10 @@ public static List<String> getTableNames(DatabaseConfig config) throws Exception
 		    while (rs.next()) {
 			    tables.add(rs.getString(3));
 		    }
+
+		    if (tables.size()>1) {
+		    	Collections.sort(tables);
+			}
 		    return tables;
 	    } finally {
 	    	connection.close();
diff --git a/src/main/java/com/zzg/mybatis/generator/util/MyStringUtils.java b/src/main/java/com/zzg/mybatis/generator/util/MyStringUtils.java
index 66dac9ee..33f4f58c 100644
--- a/src/main/java/com/zzg/mybatis/generator/util/MyStringUtils.java
+++ b/src/main/java/com/zzg/mybatis/generator/util/MyStringUtils.java
@@ -14,21 +14,27 @@ public class MyStringUtils {
      */
     public static String dbStringToCamelStyle(String str) {
         if (str != null) {
-            str = str.toLowerCase();
-            StringBuilder sb = new StringBuilder();
-            sb.append(String.valueOf(str.charAt(0)).toUpperCase());
-            for (int i = 1; i < str.length(); i++) {
-                char c = str.charAt(i);
-                if (c != '_') {
-                    sb.append(c);
-                } else {
-                    if (i + 1 < str.length()) {
-                        sb.append(String.valueOf(str.charAt(i + 1)).toUpperCase());
-                        i++;
+            if (str.contains("_")) {
+                str = str.toLowerCase();
+                StringBuilder sb = new StringBuilder();
+                sb.append(String.valueOf(str.charAt(0)).toUpperCase());
+                for (int i = 1; i < str.length(); i++) {
+                    char c = str.charAt(i);
+                    if (c != '_') {
+                        sb.append(c);
+                    } else {
+                        if (i + 1 < str.length()) {
+                            sb.append(String.valueOf(str.charAt(i + 1)).toUpperCase());
+                            i++;
+                        }
                     }
                 }
+                return sb.toString();
+            } else {
+                String firstChar = String.valueOf(str.charAt(0)).toUpperCase();
+                String otherChars = str.substring(1);
+                return firstChar + otherChars;
             }
-            return sb.toString();
         }
         return null;
     }