diff --git a/BGFMDB.xcodeproj/project.xcworkspace/xcuserdata/biao.xcuserdatad/UserInterfaceState.xcuserstate b/BGFMDB.xcodeproj/project.xcworkspace/xcuserdata/biao.xcuserdatad/UserInterfaceState.xcuserstate
index f65beb8..cf7e0d1 100644
Binary files a/BGFMDB.xcodeproj/project.xcworkspace/xcuserdata/biao.xcuserdatad/UserInterfaceState.xcuserstate and b/BGFMDB.xcodeproj/project.xcworkspace/xcuserdata/biao.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/BGFMDB.xcodeproj/xcuserdata/biao.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist b/BGFMDB.xcodeproj/xcuserdata/biao.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
index 23a32f8..fc6b04b 100644
--- a/BGFMDB.xcodeproj/xcuserdata/biao.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
+++ b/BGFMDB.xcodeproj/xcuserdata/biao.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
@@ -93,21 +93,5 @@
             landmarkType = "7">
          </BreakpointContent>
       </BreakpointProxy>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            shouldBeEnabled = "Yes"
-            ignoreCount = "0"
-            continueAfterRunningActions = "No"
-            filePath = "BGFMDB/libs/BG/BGDB.m"
-            timestampString = "547109505.006078"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "1555"
-            endingLineNumber = "1555"
-            landmarkName = "-insertWithObject:ignoredKeys:complete:"
-            landmarkType = "7">
-         </BreakpointContent>
-      </BreakpointProxy>
    </Breakpoints>
 </Bucket>
diff --git a/BGFMDB/libs/BG/BGTool.m b/BGFMDB/libs/BG/BGTool.m
index 88c7ba1..f8b9ef5 100644
--- a/BGFMDB/libs/BG/BGTool.m
+++ b/BGFMDB/libs/BG/BGTool.m
@@ -27,6 +27,13 @@
 #define BGMapTable @"BGMapTable"
 #define BGHashTable @"BGHashTable"
 
+#define bg_typeHead_NS @"@\"NS"
+#define bg_typeHead__NS @"@\"__NS"
+
+#define bg_typeHead_UI @"@\"UI"
+#define bg_typeHead__UI @"@\"__UI"
+
+
 //100M大小限制.
 #define MaxData @(838860800)
 
@@ -519,7 +526,7 @@ +(NSString*)stringWithDate:(NSDate*)date{
 +(id)getSqlValue:(id)value type:(NSString*)type encode:(BOOL)encode{
     if(!value || [value isKindOfClass:[NSNull class]])return nil;
     
-    if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"String"]){
+    if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"String"]){
         if([type containsString:@"AttributedString"]){//处理富文本.
             if(encode) {
                 return [[NSKeyedArchiver archivedDataWithRootObject:value] base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];
@@ -530,31 +537,31 @@ +(id)getSqlValue:(id)value type:(NSString*)type encode:(BOOL)encode{
         }else{
             return value;
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"Number"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"Number"]){
         if(encode) {
             return [NSString stringWithFormat:@"%@",value];
         }else{
             return [[NSNumberFormatter new] numberFromString:value];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"Array"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"Array"]){
         if(encode){
             return [self jsonStringWithArray:value];
         }else{
             return [self arrayFromJsonString:value];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"Dictionary"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"Dictionary"]){
         if(encode){
             return [self jsonStringWithDictionary:value];
         }else{
             return [self dictionaryFromJsonString:value];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"Set"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"Set"]){
         if(encode){
             return [self jsonStringWithArray:value];
         }else{
             return [self arrayFromJsonString:value];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"Data"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"Data"]){
         if(encode){
             NSData* data = value;
             NSNumber* maxLength = MaxData;
@@ -563,31 +570,31 @@ +(id)getSqlValue:(id)value type:(NSString*)type encode:(BOOL)encode{
         }else{
             return [[NSData alloc] initWithBase64EncodedString:value options:NSDataBase64DecodingIgnoreUnknownCharacters];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"MapTable"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"MapTable"]){
         if(encode){
             return [self jsonStringWithMapTable:value];
         }else{
             return [self mapTableFromJsonString:value];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"HashTable"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"HashTable"]){
         if(encode){
             return [self jsonStringWithNSHashTable:value];
         }else{
             return [self hashTableFromJsonString:value];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"Date"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"Date"]){
         if(encode){
             return [self stringWithDate:value];
         }else{
             return [self dateFromString:value];
         }
-    }else if(([type hasPrefix:@"@\"NS"]||[type hasPrefix:@"@\"__NS"])&&[type containsString:@"URL"]){
+    }else if(([type hasPrefix:bg_typeHead_NS]||[type hasPrefix:bg_typeHead__NS])&&[type containsString:@"URL"]){
         if(encode){
             return [value absoluteString];
         }else{
             return [NSURL URLWithString:value];
         }
-    }else if(([type hasPrefix:@"@\"UI"]||[type hasPrefix:@"@\"__UI"])&&[type containsString:@"Image"]){
+    }else if(([type hasPrefix:bg_typeHead_UI]||[type hasPrefix:bg_typeHead__UI])&&[type containsString:@"Image"]){
         if(encode){
             NSData* data = UIImageJPEGRepresentation(value, 1);
             NSNumber* maxLength = MaxData;
@@ -596,7 +603,7 @@ +(id)getSqlValue:(id)value type:(NSString*)type encode:(BOOL)encode{
         }else{
             return [UIImage imageWithData:[[NSData alloc] initWithBase64EncodedString:value options:NSDataBase64DecodingIgnoreUnknownCharacters]];
         }
-    }else if(([type hasPrefix:@"@\"UI"]||[type hasPrefix:@"@\"__UI"])&&[type containsString:@"Color"]){
+    }else if(([type hasPrefix:bg_typeHead_UI]||[type hasPrefix:bg_typeHead__UI])&&[type containsString:@"Color"]){
         if(encode){
             CGFloat r, g, b, a;
             [value getRed:&r green:&g blue:&b alpha:&a];